How many electrical connector parts fit the 2017 Ram 3500?

Our catalog currently lists 211 electrical connector parts for the 2017 Ram 3500 across 66 subcategories and 16 brands, covering all 3 engine options (5.7L V8, 6.4L V8 and 6.7L L6 DIESEL Turbocharged). Each part is matched to the engine(s) it fits.

Do electrical connector parts differ between 2017 Ram 3500 engines?

Some do. 103 parts fit every engine; the other 108 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of electrical connector problems on a 2017 Ram 3500?

Common symptoms include intermittent faults that move when the harness is wiggled, green corrosion inside a plug, or melted connector housings near heat sources. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2017 Ram 3500 was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2017 Ram 3500?

First match the engine — each row shows which engine(s) the part fits. Then match the connector by terminal count and keyway, not just appearance — many families look identical but will not lock. The notes column carries position and trim qualifiers where they apply.

2017 Ram 3500 Electrical Connector Parts: OEM & Replacement (211 Parts)

A/C Compressor Clutch Coil Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2052	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalGauge: 18-14 Gauge Fitment notes — STANDARD MOTOR PRODUCTS S2052 Connector Shape: OvalGauge: 18-14 GaugeHarness LengthCM: 50Inches: 20	View on Amazon

This table covers the harness connectors at the A/C Compressor Clutch Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

A/C Refrigerant Pressure Switch Connector

Brand	Part Number	Markets	Notes	Buy
HOLSTEIN Fits: all 2017 3500 engines	2HAR0060	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2316	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalNumber of Splice Connectors Included: 3	View on Amazon

This table covers the harness connectors at the A/C Refrigerant Pressure Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

A/C Refrigerant Temperature Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2478	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the A/C Refrigerant Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

ABS Wheel Speed Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2017 3500 engines	HP3945	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Square Fitment notes — STANDARD MOTOR PRODUCTS HP3945 HandypackConnector Shape: SquareIncludes Wheel Speed Sensor Wiring HarnessBlackIncludes ABS Wheel Speed Sensor Wire Harness Fits: Front or: Rear Left	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: all 2017 3500 engines	S824	🇺🇸 US 🇨🇦 CA	Connector Shape: SquareHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S824 Connector Shape: SquareHarness LengthIncludes ABS Wheel Speed Sensor Wire HarnessIncludes Wheel Speed Sensor Wiring Harnessinches: 7Length (In): 1.25Wiring Harness Length (mm): 209.55Black Fits: Front or: Rear Left	View on Amazon
ACDELCO Fits: all 2017 3500 engines	PT2160	🇺🇸 US 🇨🇦 CA	GoldShape: Square Fitment notes — ACDELCO PT2160 GoldShape: Square Fits: Front or: Rear Left	View on Amazon
HOLSTEIN Fits: all 2017 3500 engines	2HAR0035	🇺🇸 US 🇨🇦 CA	Includes ABS Wheel Speed Sensor Wire Harness Fitment notes — HOLSTEIN 2HAR0035 Includes ABS Wheel Speed Sensor Wire Harness Fits: Front or: Rear LeftCab & Chassis	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2346	🇺🇸 US 🇨🇦 CA	Complete AssemblyGray Fitment notes — STANDARD MOTOR PRODUCTS S2346 Complete AssemblyGray Fits: Rear Right or: RearRight	View on Amazon
WELLS Fits: all 2017 3500 engines	1P1877	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 18.75 In Fitment notes — WELLS 1P1877 Wiring Harness Length: 18.75 In Fits: Front or: Rear Left	View on Amazon
WELLS Fits: all 2017 3500 engines	1P2543	🇺🇸 US 🇨🇦 CA	Rear Right	View on Amazon

This table covers the harness connectors at each ABS wheel-speed sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Accelerator Pedal Position Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S1478	🇺🇸 US 🇨🇦 CA	Connector Shape: Rectangle	View on Amazon

This table covers the harness connectors at the Accelerator Pedal Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Air Intake / Charge Temperature Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	HP4665	🇺🇸 US 🇨🇦 CA	Handypack Fitment notes — STANDARD MOTOR PRODUCTS HP4665 Handypack Intake Air	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S2034	🇺🇸 US 🇨🇦 CA	Intake Air	View on Amazon
UNITED MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	CON57	🇺🇸 US 🇨🇦 CA		View on Amazon
WELLS Fits: 5.7L V8, 6.4L V8	1P1694	🇺🇸 US 🇨🇦 CA	Terminal Type: BladeWiring Harness Length: 19.5 In	View on Amazon

This table covers the harness connectors at the Air Intake / Charge Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Alternator / Generator Connector

Brand	Part Number	Markets	Notes	Buy
HOLSTEIN Fits: 5.7L V8, 6.4L V8	2HAR0035	🇺🇸 US 🇨🇦 CA	Includes ABS Wheel Speed Sensor Wire Harness Fitment notes — HOLSTEIN 2HAR0035 Includes ABS Wheel Speed Sensor Wire Harness Upper Unit	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S2895	🇺🇸 US 🇨🇦 CA	Upper Unit	View on Amazon
WELLS Fits: all 2017 3500 engines	1P1877	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 18.75 In	View on Amazon

This table covers the harness connectors at the Alternator / Generator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Ambient Air Temperature Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S3250	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Ambient Air Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Barometric Pressure Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2883	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Barometric Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blower Motor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S3208	🇺🇸 US 🇨🇦 CA	with 3 Blade Terminals	View on Amazon

This table covers the harness connectors at the Blower Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Blower Motor Control Module / Resistor Connector

Brand	Part Number	Markets	Notes	Buy
GPD Popular Fits: all 2017 3500 engines	1712769	🇺🇸 US 🇨🇦 CA	Blower Motor Resistor Pigtailwith Square Connector	View on Amazon
WELLS Popular Fits: all 2017 3500 engines	1P2663	🇺🇸 US 🇨🇦 CA	without Automatic Temperature Control	View on Amazon
FOUR SEASONS Fits: all 2017 3500 engines	37258	🇺🇸 US 🇨🇦 CA	4 Terminal MaleSquare Connector	View on Amazon
FOUR SEASONS Fits: all 2017 3500 engines	37263	🇺🇸 US 🇨🇦 CA	4 Terminal MaleRectangular Connector	View on Amazon
GPD Fits: all 2017 3500 engines	1713423	🇺🇸 US 🇨🇦 CA	Blower Motor Resistor Pigtailwith 4 Terminal(s) Fitment notes — GPD 1713423 Blower Motor Resistor Pigtailwith 4 Terminal(s)with Flat Connector	View on Amazon
HOLSTEIN Fits: all 2017 3500 engines	2HAR0048	🇺🇸 US 🇨🇦 CA	without Automatic Temperature Control	View on Amazon
HOLSTEIN Fits: all 2017 3500 engines	2HAR0002	🇺🇸 US 🇨🇦 CA	without Automatic Temp Control	View on Amazon
HOLSTEIN Fits: all 2017 3500 engines	2HAR0052	🇺🇸 US 🇨🇦 CA	with Automatic Temperature Control	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2117	🇺🇸 US 🇨🇦 CA	Connector Shape: Square Fitment notes — STANDARD MOTOR PRODUCTS S2117 Connector Shape: Square without Automatic Temperature Control	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S1573	🇺🇸 US 🇨🇦 CA	Connector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS S1573 Connector Shape: Rectangle with Automatic Temperature Control	View on Amazon

This table covers the connectors at the blower resistor or control module. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Body Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Popular Fits: all 2017 3500 engines	68189123AC	🇺🇸 US 🇨🇦 CA	CameraTailgate Wiring Fitment notes — MOPAR 68189123AC CameraTailgate Wiring Fits: Park View Rear Back-up CameraExc. Remote Keyless EntryMega CabHD 4WD or: Park View Rear Back-up CameraExc. Remote Keyless EntryRegular Cab8 Foot BedHD 4WD or: Parkview Rear Back-Up CameraExc. Remote Keyless EntryCrew Cab Crew Cab8' BoxHD 4WD or: Parkview Rear Back-Up CameraExc. Remote Keyless EntryCrew Cab Wheelbase 2HD 4WD	View on Amazon
MOPAR Popular Fits: all 2017 3500 engines	68189124AC	🇺🇸 US 🇨🇦 CA	CameraTailgate Wiring Fitment notes — MOPAR 68189124AC CameraTailgate Wiring Fits: Remote Keyless Entry, Park View Rear Back-up CameraMega CabHD 4WD or: Remote Keyless Entry, Park View Rear Back-up CameraRegular Cab8 Foot BedHD 4WD or: Remote Keyless Entry, Parkview Rear Back-Up CameraCrew Cab Crew Cab8' BoxHD 4WD or: Remote Keyless Entry, Parkview Rear Back-Up CameraCrew Cab Wheelbase 2HD 4WD	View on Amazon
MOPAR Fits: all 2017 3500 engines	68090861AA	🇺🇸 US 🇨🇦 CA	Under Hood Lamp Fitment notes — MOPAR 68090861AA Under Hood Lamp Fits: Cab ChassisUnderhood LampRegular Cab Chassis Wheelbase 2HD 4WD or: <10K Lb. Cab ChassisUnderhood LampRegular Cab Chassis Wheelbase 1HD 4WD or: <10K Lb. Cab ChassisUnderhood LampCrew Cab Wheelbase 4HD 4WD	View on Amazon
MOPAR Fits: all 2017 3500 engines	68200050AA	🇺🇸 US 🇨🇦 CA	Nonwithout Power take-off Jumper Fitment notes — MOPAR 68200050AA Nonwithout Power take-off Jumper Fits: Cab ChassisBlack SwitchesExc. Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 2HD 4WD or: <10K Lb. Cab ChassisBlack SwitchesExc. Power Take Off Prep or Power Take Off Prep - Left SideRegular Cab Chassis Wheelbase 1HD 4WD or: <10K Lb. Cab ChassisBlack SwitchesExcept Power Take Off Prep or Power Take Off Prep - Left SideCrew Cab Wheelbase 4HD 4WD	View on Amazon
MOPAR Fits: all 2017 3500 engines	68247515AA	🇺🇸 US 🇨🇦 CA	Transmission Fitment notes — MOPAR 68247515AA Transmission Fits: Cab ChassisBlack SwitchesExc. Power Take Off PrepRegular Cab Chassis Wheelbase 26-Speed Manual G56 TransmissionHD 4WD or: <10K Lb. Cab ChassisBlack SwitchesExc. Power Take Off PrepRegular Cab Chassis Wheelbase 16-Speed Manual G56 TransmissionHD 4WD or: <10K Lb. Cab ChassisBlack SwitchesExc. Power Take Off PrepCrew Cab Wheelbase 46-Speed Manual G56 TransmissionHD 4WD or: <10K Lb. Cab ChassisBlack SwitchesExcept Power Take Off PrepCrew Cab Wheelbase 46-Speed Manual G56 Transmission	View on Amazon
MOPAR Fits: all 2017 3500 engines	68270612AD	🇺🇸 US 🇨🇦 CA	Fits Parksense Front/Rear Park Assist System, Black SwitchesExc. Auto Level Rear Air Suspension Fitment notes — MOPAR 68270612AD Fits: Parksense Front/Rear Park Assist System, Black SwitchesExc. Auto Level Rear Air Suspension or: Rear Window DefrosterRegular Cab8 Foot Bed6 Speed Automatic 68RFE TransmissionHD 4WD or: Parksense Front/Rear Park Assist SystemExc. Black Switches or Auto Level Rear Air Suspension or: Rear Window DefrosterRegular Cab8 Foot Bed6-Speed Manual G56 TransmissionHD 4WD or: Parksense Front/Rear Park Assist System, Black SwitchesExc. Auto Level Rear Air Suspension or: Rear Window DefrosterRegular Cab8 Foot Bed6-Speed Manual G56 TransmissionHD 4WD or: Parksense Front/Rear Park Assist SystemExc. Black Switches or Auto Level Rear Air Suspension or: Rear Window DefrosterRegular Cab8 Foot Bed6 Speed Automatic 66RFE TransmissionHD 4WD or: Parksense Front/Rear Park Assist SystemExc. Black Switches or Auto Level Rear Air Suspension or: Rear Window DefrosterRegular Cab8 Foot Bed6 Speed Automatic 68RFE TransmissionHD 4WD or: Parksense Front/Rear Park Assist System, Bla	View on Amazon
MOPAR Fits: all 2017 3500 engines	68270621AD	🇺🇸 US 🇨🇦 CA	Fits Power Locks or Power Lumbar AdjustExcept Rear Window Defroster Fitment notes — MOPAR 68270621AD Fits: Power Locks or Power Lumbar AdjustExcept Rear Window DefrosterRegular Cab Chassis Wheelbase 16 Speed Automatic 66RFE TransmissionHD 4WD<10,000 LB GVW or: Power Locks or Power Lumbar AdjustExcept Rear Window DefrosterRegular Cab Chassis Wheelbase 16-Speed Manual G56 TransmissionHD 4WD<10,000 LB GVW or: Power Locks or Power Lumbar AdjustExcept Rear Window DefrosterRegular Cab Chassis Wheelbase 16 Speed Automatic 66RFE Transmission<10,000 LB GVW or: Power Locks or Power Lumbar AdjustExcept Rear Window DefrosterRegular Cab Chassis Wheelbase 16-Speed Manual G56 Transmission<10,000 LB GVW	View on Amazon
MOPAR Fits: all 2017 3500 engines	68270950AD	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisExc. Power Lumbar Adjust Fitment notes — MOPAR 68270950AD Fits: Cab ChassisExc. Power Lumbar AdjustExc. Heated Front SeatsExcept Keyless GoExc. Rear Power Sliding WindowExcept Rear Window DefrosterExc. Overhead Ambient Surround LightingExc. Heated Second Row SeatsCrew Cab Wheelbase 46 Speed Automatic 66RFE TransmissionHD 4WD or: Cab ChassisExc. Power Lumbar AdjustExc. Heated Front SeatsExcept Keyless GoExc. Rear Power Sliding WindowExcept Rear Window DefrosterExc. Overhead Ambient Surround LightingExc. Heated Second Row SeatsCrew Cab Wheelbase 46-Speed Manual G56 TransmissionHD 4WD	View on Amazon

This table covers the body-harness connectors and pigtails. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Brake Light Switch Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S3095	🇺🇸 US 🇨🇦 CA	with Speed Control	View on Amazon

This table covers the harness connectors at the Brake Light Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Camshaft Position Sensor Connector

Brand	Part Number	Markets	Notes	Buy
HOLSTEIN Fits: 5.7L V8, 6.4L V8	2HAR0060	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S2316	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalNumber of Splice Connectors Included: 3	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S1832	🇺🇸 US 🇨🇦 CA		View on Amazon
UNITED MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	CON62	🇺🇸 US 🇨🇦 CA		View on Amazon
WALKER PRODUCTS Fits: 5.7L V8, 6.4L V8	2701145	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Coolant Level Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	HP4720	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Oval Fitment notes — STANDARD MOTOR PRODUCTS HP4720 HandypackConnector Shape: OvalIncludes ABS Wheel Speed Sensor Wire HarnessIncludes Backing Plate and SensorHarness Lengthinches: 10.25Length (In): 1Terminal Type: BladeWiring Harness Length (mm): 304.8Black	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S575	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S575 Connector Shape: OvalHarness Lengthincludes ABS Wheel Speed Sensor Wire Harness, Backing Plate and Sensorinches: 10.25Length (In): 1Number of Splice Connectors Included: 0Terminal Gender: FemaleTerminal Type: BladeWiring Harness Length (mm): 304.8Black	View on Amazon
WALKER PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	2701130	🇺🇸 US 🇨🇦 CA	Terminal Gender: MaleWiring Harness Length: 180.00 mm Fitment notes — WALKER PRODUCTS 2701130 Terminal Gender: MaleWiring Harness Length: 180.00 mmIncludes Backing Plate and Sensor	View on Amazon

This table covers the harness connectors at the Coolant Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Crankshaft Position Sensor Connector

Brand	Part Number	Markets	Buy
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S2916	🇺🇸 US 🇨🇦 CA	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S1832	🇺🇸 US 🇨🇦 CA	View on Amazon
WALKER PRODUCTS Fits: 5.7L V8, 6.4L V8	2701145	🇺🇸 US 🇨🇦 CA	View on Amazon

This table covers the harness connectors at the Crankshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Cylinder Deactivation Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2442	🇺🇸 US 🇨🇦 CA	with Only Connector	View on Amazon
WELLS Fits: 5.7L V8, 6.4L V8	1P2227	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Cylinder Deactivation Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Diesel Exhaust Fluid (DEF) Injection Nozzle Connector

Brand	Part Number	Markets	Notes	Buy
ACDELCO Fits: 6.7L L6 DIESEL Turbocharged	PT2160	🇺🇸 US 🇨🇦 CA	GoldShape: Square	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	HP3945	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Square Fitment notes — STANDARD MOTOR PRODUCTS HP3945 HandypackConnector Shape: SquareIncludes Wheel Speed Sensor Wiring HarnessBlackIncludes ABS Wheel Speed Sensor Wire Harness	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S824	🇺🇸 US 🇨🇦 CA	Connector Shape: SquareHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S824 Connector Shape: SquareHarness LengthIncludes ABS Wheel Speed Sensor Wire HarnessIncludes Wheel Speed Sensor Wiring Harnessinches: 7Length (In): 1.25Wiring Harness Length (mm): 209.55Black	View on Amazon

This table covers the harness connectors at the Diesel Exhaust Fluid (DEF) Injection Nozzle. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Diesel Exhaust Fluid (DEF) Pump Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2017 3500 engines	68330357AB	🇺🇸 US 🇨🇦 CA	Urea Tank Harness Fitment notes — MOPAR 68330357AB Urea Tank Harness Fits: Selective Catalytic Reduction (UREA)Mega CabHD 4WD or: Selective Catalytic Reduction (UREA)Regular Cab8 Foot BedHD 4WD or: Selective Catalytic Reduction (Urea)Crew Cab Crew Cab8' BoxHD 4WD or: Selective Catalytic Reduction (Urea)Crew Cab Wheelbase 2HD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68330360AB	🇺🇸 US 🇨🇦 CA	Urea Tank Harness Fitment notes — MOPAR 68330360AB Urea Tank Harness Fits: Cab ChassisCummins EngineSelective Catalytic Reduction (Urea)Regular Cab Chassis Wheelbase 2HD 4WD or: Cummins engine, Cab ChassisCummins EngineSelective Catalytic Reduction (Urea)Crew Cab Wheelbase 4<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineSelective Catalytic Reduction (Urea)Crew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineSelective Catalytic Reduction (Urea)Regular Cab Chassis Wheelbase 1<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineSelective Catalytic Reduction (Urea)Regular Cab Chassis Wheelbase 1HD 4WD<10,000 LB GVW	View on Amazon

This table covers the wiring-harness connectors at the Diesel Exhaust Fluid (DEF) Pump. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Differential Pressure Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S1410	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalWiring Harness Length (mm): 508	View on Amazon

This table covers the harness connectors at the Differential Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Door Lock Actuator Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2894	🇺🇸 US 🇨🇦 CA	Front and Rear Door	View on Amazon

This table covers the harness connectors at the Door Lock Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

EGR Pressure Feedback (DPFE) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2937	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the EGR Pressure Feedback (DPFE) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

EGR Valve Connector

Brand	Part Number	Markets	Buy
SKP Fits: 6.7L L6 DIESEL Turbocharged	SKS575	🇺🇸 US 🇨🇦 CA	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2498	🇺🇸 US 🇨🇦 CA	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S3273	🇺🇸 US 🇨🇦 CA	View on Amazon

This table covers the harness connectors at the EGR Valve. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Engine Block Heater Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 5.7L V8	68223418AA	🇺🇸 US 🇨🇦 CA	Fits EngineHEMI Fitment notes — MOPAR 68223418AA Fits: EngineHEMIEngine Block HeaterCrew Cab Crew Cab8' BoxHD 4WD or: EngineHEMIEngine Block HeaterCrew Cab Wheelbase 2HD 4WD or: EngineHEMIEngine Block HeaterMega CabHD 4WD or: EngineHEMIEngine Block HeaterRegular Cab8 Foot BedHD 4WD	View on Amazon
MOPAR Fits: 6.4L V8	68219820AA	🇺🇸 US 🇨🇦 CA	Fits Engine Block HeaterMega Cab Fitment notes — MOPAR 68219820AA Fits: Engine Block HeaterMega CabHD 4WD or: Engine Block HeaterRegular Cab8 Foot BedHD 4WD or: Cab ChassisEngine Block HeaterRegular Cab Chassis Wheelbase 2HD 4WD or: Engine Block HeaterCrew Cab Crew Cab8' BoxHD 4WD or: Engine Block HeaterCrew Cab Wheelbase 2HD 4WD or: Engine, Heavy Duty HEMI MDS, Cab ChassisEngine Block HeaterCrew Cab Wheelbase 4<10K Lb. Cab Chassis<10,000 LB GVW or: Engine, Heavy Duty HEMI MDS, Cab ChassisEngine Block HeaterCrew Cab Wheelbase 4HD 4WD<10K Lb. Cab Chassis<10,000 LB GVW or: Engine, Heavy Duty HEMI MDS, Cab ChassisEngine Block HeaterRegular Cab Chassis Wheelbase 1<10K Lb. Cab Chassis<10,000 LB GVW or: Engine, Heavy Duty HEMI MDS, Cab ChassisEngine Block HeaterRegular Cab Chassis Wheelbase 1HD 4WD<10K Lb. Cab Chassis<10,000 LB GVW	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	EBH303	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Engine Block Heater. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Exhaust Gas Temperature (EGT) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S3159	🇺🇸 US 🇨🇦 CA	Located on EGR Crossover Tube	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S3172	🇺🇸 US 🇨🇦 CA	Fits Located Before Catalytic Converteror Located Before Particulate Filteror Located After Particulate Filteror Located in Catalytic Converteror Located After Catalytic Converter	View on Amazon

This table covers the harness connectors at the Exhaust Gas Temperature (EGT) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fog / Driving Lamp Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Popular Fits: all 2017 3500 engines	S524	🇺🇸 US 🇨🇦 CA	Weather Resistant: YES Fitment notes — STANDARD MOTOR PRODUCTS S524 Weather Resistant: YES without Projector HeadlightsColor Code Black and Bluewith 2 Female Terminals	View on Amazon
WELLS Popular Fits: all 2017 3500 engines	6S1046	🇺🇸 US 🇨🇦 CA		View on Amazon
ACDELCO Fits: all 2017 3500 engines	LS254	🇺🇸 US 🇨🇦 CA	Gold Fitment notes — ACDELCO LS254 Gold with Projector Headlightswith 2 Female TerminalsColor Code Black and Blue	View on Amazon
ACDELCO Fits: all 2017 3500 engines	LS255	🇺🇸 US 🇨🇦 CA	Gold Fitment notes — ACDELCO LS255 Gold without Projector Headlightswith 2 Female TerminalsColor Code Black and Blue	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	HP3960	🇺🇸 US 🇨🇦 CA	Handy PackBlack Fitment notes — STANDARD MOTOR PRODUCTS HP3960 Handy PackBlack with Projector HeadlightsColor Code Black and Bluewith 2 Female Terminals	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	HP3970	🇺🇸 US 🇨🇦 CA	Handypack Fitment notes — STANDARD MOTOR PRODUCTS HP3970 Handypack without Projector HeadlightsColor Code Black and Bluewith 2 Female Terminals	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S523	🇺🇸 US 🇨🇦 CA	Black Fitment notes — STANDARD MOTOR PRODUCTS S523 Black with Projector HeadlightsColor Code Black and Bluewith 2 Female Terminals	View on Amazon
WALKER PRODUCTS Fits: all 2017 3500 engines	2701125	🇺🇸 US 🇨🇦 CA	without Projector HeadlightsBlack and Blue Fitment notes — WALKER PRODUCTS 2701125 without Projector HeadlightsBlack and Blue2 Terminal Female	View on Amazon
WALKER PRODUCTS Fits: all 2017 3500 engines	2701121	🇺🇸 US 🇨🇦 CA	Terminal Gender: Male Fitment notes — WALKER PRODUCTS 2701121 Terminal Gender: Male with Projector HeadlightsBlack and Blue2 Terminal Female	View on Amazon

This table covers the harness connectors at the Fog / Driving Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Injection Pressure Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2902	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Fuel Injection Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Injector Connector

Brand	Part Number	Markets	Notes	Buy
WELLS Popular Fits: 5.7L V8, 6.4L V8	1P2047	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 20.22 In	View on Amazon
GB REMANUFACTURING Fits: 5.7L V8, 6.4L V8	5191	🇺🇸 US 🇨🇦 CA		View on Amazon
HOLSTEIN Fits: 5.7L V8, 6.4L V8	2HAR0035	🇺🇸 US 🇨🇦 CA	Includes ABS Wheel Speed Sensor Wire Harness	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	5175565AC	🇺🇸 US	OEM Part	View on Amazon
SKP Fits: 6.7L L6 DIESEL Turbocharged	SKS824	🇺🇸 US 🇨🇦 CA	Includes ABS Wheel Speed Sensor Wire Harness Fitment notes — SKP SKS824 Includes ABS Wheel Speed Sensor Wire Harness Fits: Front or: Rear Left	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	HP4347	🇺🇸 US 🇨🇦 CA	Handypack	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S1895	🇺🇸 US 🇨🇦 CA	Number of Splice Connectors Included: 2	View on Amazon

This table covers the harness connectors at the Fuel Injector. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Rail Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2902	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Fuel Rail. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fuel Sending Unit Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S1410	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalWiring Harness Length (mm): 508	View on Amazon

This table covers the harness connectors at the Fuel Sending Unit. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Headlamp Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
DORMAN Popular Fits: all 2017 3500 engines	926384	🇺🇸 US 🇨🇦 CA		View on Amazon
SKP Popular Fits: all 2017 3500 engines	SK926384	🇺🇸 US 🇨🇦 CA		View on Amazon
MOPAR Fits: 5.7L V8, 6.4L V8	52112119AB	🇺🇸 US 🇨🇦 CA	Fits HEMIHalogen Quad Headlamps Fitment notes — MOPAR 52112119AB Fits: HEMIHalogen Quad HeadlampsExc. Remote Start System or Fog LampsMega CabHD 4WD or: HEMIHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab8 Foot BedHD 4WD or: HEMIHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 2HD 4WD or: HEMIHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Crew Cab8' BoxHD 4WD Fits: Cab ChassisHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 2HD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab8' BoxHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsMega CabHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab8 Foot BedHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 2HD 4WD or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 4<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab	View on Amazon
MOPAR Fits: 5.7L V8, 6.4L V8	52112120AB	🇺🇸 US 🇨🇦 CA	Fits HEMIHalogen Quad Headlamps, Fog Lamps Fitment notes — MOPAR 52112120AB Fits: HEMIHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemMega CabHD 4WD or: HEMIHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab8 Foot BedHD 4WD or: HEMIHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 2HD 4WD or: HEMIHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Crew Cab8' BoxHD 4WD Fits: Cab ChassisHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab8' BoxHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemMega CabHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab8 Foot BedHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 2HD 4WD or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 4<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbas	View on Amazon
MOPAR Fits: 5.7L V8, 6.4L V8	52112121AB	🇺🇸 US 🇨🇦 CA	Fits HEMIHalogen Quad Headlamps, Remote Start System Fitment notes — MOPAR 52112121AB Fits: HEMIHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsMega CabHD 4WD or: HEMIHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab8 Foot BedHD 4WD or: HEMIHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 2HD 4WD or: HEMIHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Crew Cab8' BoxHD 4WD Fits: Cab ChassisHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 2HD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab8' BoxHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsMega CabHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab8 Foot BedHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 2HD 4WD or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 4<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbas	View on Amazon
MOPAR Fits: 5.7L V8, 6.4L V8	52112122AB	🇺🇸 US 🇨🇦 CA	Fits HEMIHalogen Quad Headlamps, Remote Start System, Fog Lamps Fitment notes — MOPAR 52112122AB Fits: HEMIHalogen Quad Headlamps, Remote Start System, Fog LampsMega CabHD 4WD or: HEMIHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab8 Foot BedHD 4WD or: HEMIHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 2HD 4WD or: HEMIHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Crew Cab8' BoxHD 4WD Fits: Cab ChassisHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 2HD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab8' BoxHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsMega CabHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab8 Foot BedHD 4WD or: Mid Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 2HD 4WD or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 4<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 1<10,000 LB GVW or: Heavy Duty HEMI MD	View on Amazon
MOPAR Fits: 5.7L V8, 6.4L V8	52112123AB	🇺🇸 US 🇨🇦 CA	Fits HEMIBI-Function Halogen Projector Headlamp or Quad LHD Optics Headlamps Fitment notes — MOPAR 52112123AB Fits: HEMIBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemMega CabHD 4WD or: HEMIBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemRegular Cab8 Foot BedHD 4WD or: HEMIBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemCrew Cab Crew Cab8' BoxHD 4WD or: HEMIBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemCrew Cab Wheelbase 2HD 4WD Fits: Cab ChassisBI-Function Halogen Projector HeadlampExc. Remote Start SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Mid Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemCrew Cab8' BoxHD 4WD or: Mid Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemMega CabHD 4WD or: Mid Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemRegular Cab8 Foot BedHD 4WD or: Mid Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp or Quad Left Hand Drive Optics HeadlampsExc. Remote Start SystemCrew Cab Wheelbase 2HD 4WD or: Heavy Duty HEMI MDS Engine, Cab ChassisBI-Function Halogen Projector HeadlampExc. Remote Start SystemCrew Cab Wheelbase 4<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisBI-Function Halogen Projector HeadlampExc. Remote Start SystemCrew Cab Wheel	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112125AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineHalogen Quad Headlamps Fitment notes — MOPAR 52112125AB Fits: Cummins EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsMega CabHD 4WD or: Cummins EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab8 Foot BedHD 4WD or: Cab ChassisCummins EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 2HD 4WD or: Cummins EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 2HD 4WD or: Cummins EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Crew Cab8' BoxHD 4WD or: Cummins engine, Cab ChassisCummins EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 4<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Cha	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112126AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineHalogen Quad Headlamps, Fog Lamps Fitment notes — MOPAR 52112126AB Fits: Cummins EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemMega CabHD 4WD or: Cummins EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab8 Foot BedHD 4WD or: Cab ChassisCummins EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Cummins EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 2HD 4WD or: Cummins EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Crew Cab8' BoxHD 4WD or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 4<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 1	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112127AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineHalogen Quad Headlamps, Remote Start System Fitment notes — MOPAR 52112127AB Fits: Cummins EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsMega CabHD 4WD or: Cummins EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab8 Foot BedHD 4WD or: Cab ChassisCummins EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 2HD 4WD or: Cummins EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 2HD 4WD or: Cummins EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Crew Cab8' BoxHD 4WD or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 4<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 1	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112128AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineHalogen Quad Headlamps, Remote Start System, Fog Lamps Fitment notes — MOPAR 52112128AB Fits: Cummins EngineHalogen Quad Headlamps, Remote Start System, Fog LampsMega CabHD 4WD or: Cummins EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab8 Foot BedHD 4WD or: Cab ChassisCummins EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 2HD 4WD or: Cummins EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 2HD 4WD or: Cummins EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Crew Cab8' BoxHD 4WD or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 4<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 1<10,000 LB GVW or: Cummins engine, Cab C	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112129AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCummins Engine Fitment notes — MOPAR 52112129AB Fits: Cab ChassisCummins EngineBI-Function Halogen Projector HeadlampExc. Remote Start SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Cummins EngineBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemMega CabHD 4WD or: Cummins EngineBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemRegular Cab8 Foot BedHD 4WD or: Cummins EngineBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemCrew Cab Wheelbase 2HD 4WD or: Cummins EngineBI-Function Halogen Projector Headlamp or Quad LHD Optics HeadlampsExc. Remote Start SystemCrew Cab Crew Cab8' BoxHD 4WD or: Cummins engine, Cab ChassisCummins EngineBI-Function Halogen Projector HeadlampExc. Remote Start SystemCrew Cab Wheelbase 4<10,000 LB GVW or: Cummins engine, Cab ChassisCummins EngineBI-Function Halogen Projector HeadlampExc. Remote Start SystemCrew Cab Wheelbase 4HD 4WD<10	View on Amazon

This table covers the wiring-harness connectors at the Headlamp. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Heater Core Temperature Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2478	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Heater Core Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Ignition Coil Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S2087	🇺🇸 US 🇨🇦 CA	Gauge: 16-14 GA	View on Amazon
UNITED MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	CON60	🇺🇸 US 🇨🇦 CA		View on Amazon
WELLS Fits: 5.7L V8, 6.4L V8	1P1801	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Ignition Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Instrument Panel Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2017 3500 engines	68300104AC	🇺🇸 US 🇨🇦 CA	Fits Infinity Speakers or 9 Amplified Speakers with Subwoofer, 8.4" Touchscreen DisplayExcept Radio/Driver Seat/Mirror Memory or Radio/Driver Seat/Mirrors/Pedals Memory Fitment notes — MOPAR 68300104AC Fits: Infinity Speakers or 9 Amplified Speakers with Subwoofer, 8.4" Touchscreen DisplayExcept Radio/Driver Seat/Mirror Memory or Radio/Driver Seat/Mirrors/Pedals MemoryCrew Cab Crew Cab8' BoxHD 4WD or: Infinity Speakers or 9 Amplified Speakers with Subwoofer, 8.4" Touchscreen DisplayExcept Radio/Driver Seat/Mirror Memory or Radio/Driver Seat/Mirrors/Pedals MemoryCrew Cab Wheelbase 2HD 4WD or: Infinity Speakers or 9 Amplified Speakers with Subwoofer, 8.4" Touchscreen DisplayExcept Radio/Driver Seat/Mirror Memory or Radio/Driver Seat/Mirrors/Pedals MemoryMega CabHD 4WD or: Infinity Speakers or 9 Amplified Speakers with Subwoofer, 8.4" Touchscreen DisplayExcept Radio/Driver Seat/Mirror Memory or Radio/Driver Seat/Mirrors/Pedals MemoryRegular Cab8 Foot BedHD 4WD	View on Amazon

This table covers the harness connectors at the Instrument Panel. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Intake Manifold Runner Control Valve / Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 5.7L V8	S3045	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Intake Manifold Runner Control Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Knock / Detonation Sensor Connector

Brand	Part Number	Markets	Notes	Buy
WALKER PRODUCTS Fits: 5.7L V8, 6.4L V8	2701034	🇺🇸 US 🇨🇦 CA		View on Amazon
WELLS Fits: all 2017 3500 engines	1P1347	🇺🇸 US 🇨🇦 CA	Wire Gauge Measurement: 18 Fitment notes — WELLS 1P1347 Wire Gauge Measurement: 18 with 2 Terminals	View on Amazon

This table covers the harness connectors at the Knock / Detonation Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Manifold Pressure (MAP) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 5.7L V8	S2816	🇺🇸 US 🇨🇦 CA	Wire Gauge (GA): 16	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2916	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Manifold Pressure (MAP) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Mass Air Flow (MAF) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S949	🇺🇸 US 🇨🇦 CA	rectangularwith 4 Female Terminals	View on Amazon

This table covers the harness connectors at the Mass Air Flow (MAF) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

NOx (Nitrogen Oxide) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2891	🇺🇸 US 🇨🇦 CA	SCR Catalyst Outlet	View on Amazon

This table covers the harness connectors at the NOx (Nitrogen Oxide) Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Oil Pressure Sender / Switch Connector

Brand	Part Number	Markets	Notes	Buy
UNITED MOTOR PRODUCTS Popular Fits: 6.7L L6 DIESEL Turbocharged	CON58	🇺🇸 US 🇨🇦 CA	Terminal Gender: Female	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2052	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalGauge: 18-14 Gauge Fitment notes — STANDARD MOTOR PRODUCTS S2052 Connector Shape: OvalGauge: 18-14 GaugeHarness LengthCM: 50Inches: 20 Greenwith 2 Female Terminals	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.7L L6 DIESEL Turbocharged	S2395	🇺🇸 US 🇨🇦 CA	Gauge: 16 GaugeWiring Harness Length (mm): 469.9 Fitment notes — STANDARD MOTOR PRODUCTS S2395 Gauge: 16 GaugeWiring Harness Length (mm): 469.9 Auto Trans Pressure	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2937	🇺🇸 US 🇨🇦 CA	Color Code Gray and Bluewith 3 Female Terminals	View on Amazon
WALKER PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	2701132	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 500.00 mm	View on Amazon

This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Park Assist (PAS) Camera Connector

Brand	Part Number	Markets	Notes	Buy
METRA Fits: all 2017 3500 engines	AXACCH5	🇺🇸 US 🇨🇦 CA	Camera Add-On Package Fitment notes — METRA AXACCH5 Camera Add-On Package Select Models with 8.4 In. U-Connect Radio	View on Amazon

This table covers the harness connectors at the Park Assist (PAS) Camera. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Parking / Turn Signal Lamp Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2983	🇺🇸 US 🇨🇦 CA	Black Fitment notes — STANDARD MOTOR PRODUCTS S2983 Black Front	View on Amazon

This table covers the harness connectors at the Parking / Turn Signal Lamp. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Parking Aid Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S1497	🇺🇸 US 🇨🇦 CA	Front And Rear	View on Amazon

This table covers the harness connectors at the Parking Aid Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radiator Fan Motor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S3023	🇺🇸 US 🇨🇦 CA	Connector Shape: Square	View on Amazon

This table covers the harness connectors at the Radiator Fan Motor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Radio Connector

Brand	Part Number	Markets	Notes	Buy
METRA Fits: all 2017 3500 engines	716523	🇺🇸 US 🇨🇦 CA	OEM Radio HarnessFor OEM Radio Fitment notes — METRA 716523 OEM Radio HarnessFor OEM Radio Plugs Into OEM Radio52-Pin OE HarnessFully Terminated	View on Amazon
METRA Fits: all 2017 3500 engines	AXADBXHCH3	🇺🇸 US 🇨🇦 CA	AD Interface Harness Fitment notes — METRA AXADBXHCH3 AD Interface Harness with Small Screen Option	View on Amazon

This table covers the harness connectors at the Radio. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Repair Harness

Brand	Part Number	Markets	Notes	Buy
ROSTRA Fits: all 2017 3500 engines	3500172	🇺🇸 US 🇨🇦 CA	External Harness & Connector Repair Kit Fitment notes — ROSTRA 3500172 External Harness & Connector Repair Kit Trans. code 68RFE	View on Amazon
ROSTRA Fits: all 2017 3500 engines	3500170	🇺🇸 US 🇨🇦 CA	Speed Sensor Harness Repair Kit Fitment notes — ROSTRA 3500170 Speed Sensor Harness Repair Kit Trans. code 68RFE	View on Amazon

This table covers the Repair harnesses.

Speaker Amplifier Connector

Brand	Part Number	Markets	Notes	Buy
METRA Fits: all 2017 3500 engines	AXABHCH2	🇺🇸 US 🇨🇦 CA	Amp Bypass Harness	View on Amazon

This table covers the harness connectors at the Speaker Amplifier. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Speed Sensor Connector

Brand	Part Number	Markets	Notes	Buy
WALKER PRODUCTS Popular Fits: all 2017 3500 engines	2701055	🇺🇸 US 🇨🇦 CA	Transmission Input and Output Shaft Speed Sensor Fitment notes — WALKER PRODUCTS 2701055 Transmission Input and Output Shaft Speed Sensor Chrysler trans.Transmission Input and Output Shaft Speed Sensor	View on Amazon
WELLS Popular Fits: all 2017 3500 engines	1P1311	🇺🇸 US 🇨🇦 CA	with 2 Terminals	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	HP4215	🇺🇸 US 🇨🇦 CA	Handy PackBlack	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S1530	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S1530 Connector Shape: OvalHarness LengthInches: 17Splice Connectors Included: Noblack Transmission Input	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S820	🇺🇸 US 🇨🇦 CA	Connector Shape: SquareNumber of Splice Connectors Included: 0 Fitment notes — STANDARD MOTOR PRODUCTS S820 Connector Shape: SquareNumber of Splice Connectors Included: 0Black	View on Amazon
UNITED MOTOR PRODUCTS Fits: all 2017 3500 engines	CON174	🇺🇸 US 🇨🇦 CA		View on Amazon
UNITED MOTOR PRODUCTS Fits: all 2017 3500 engines	CON26	🇺🇸 US 🇨🇦 CA	Automatic trans.Transmission Input	View on Amazon

This table covers the harness connectors at the Speed Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Starter Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 5.7L V8	S3075	🇺🇸 US 🇨🇦 CA	blackwith 1 Female Terminals	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S2984	🇺🇸 US 🇨🇦 CA	Color Code Black and Purplewith 1 Terminal	View on Amazon

This table covers the harness connectors at the Starter Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Steering Wheel Position Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2468	🇺🇸 US 🇨🇦 CA	Angle Sensor	View on Amazon

This table covers the harness connectors at the Steering Wheel Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Tailgate Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2017 3500 engines	68096415AD	🇺🇸 US 🇨🇦 CA	Tailgate Wiring Fitment notes — MOPAR 68096415AD Tailgate Wiring Fits: Radio 3.0Except Uconnect 5.0Except Uconnect 8.4Except Uconnect 8.4 NavigationExc. Uconnect Voice Command with Bluetoothor Uconnect 5.0 or Uconnect 8.4 or Uconnect 8.4 NavigationExc. Radio 3.0	View on Amazon
MOPAR Fits: all 2017 3500 engines	68189122AB	🇺🇸 US 🇨🇦 CA	Tailgate Wiring Fitment notes — MOPAR 68189122AB Tailgate Wiring Fits: Remote Keyless EntryExc. Parkview Rear Back-Up CameraCrew Cab Wheelbase 2HD 4WD or: Remote Keyless EntryExc. Parkview Rear Back-Up CameraRegular Cab8 Foot BedHD 4WD or: Remote Keyless EntryExc. Parkview Rear Back-Up CameraCrew Cab8' BoxHD 4WD or: Remote Keyless EntryExc. Parkview Rear Back-Up CameraMega CabHD 4WD	View on Amazon

This table covers the wiring-harness connectors at the Tailgate. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Temperature Sender / Sensor Connector

Brand	Part Number	Markets	Notes	Buy
FOUR SEASONS Popular Fits: 6.7L L6 DIESEL Turbocharged	37231	🇺🇸 US 🇨🇦 CA	2 Terminal Malewith Oval Connector	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: 6.7L L6 DIESEL Turbocharged	TX3A	🇺🇸 US 🇨🇦 CA	Wiring Harness Length (mm): 158.75Black	View on Amazon
ACDELCO Fits: 6.7L L6 DIESEL Turbocharged	PT2386	🇺🇸 US 🇨🇦 CA	GoldShape: Square	View on Amazon
ROSTRA Fits: 6.7L L6 DIESEL Turbocharged	610011	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8	S2442	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	HP3840	🇺🇸 US 🇨🇦 CA	HandypackWiring Harness Length (mm): 158.75 Fitment notes — STANDARD MOTOR PRODUCTS HP3840 HandypackWiring Harness Length (mm): 158.75black	View on Amazon
WALKER PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	2111500	🇺🇸 US 🇨🇦 CA	Terminal Quantity: 2Includes O-Ring	View on Amazon
WELLS Fits: all 2017 3500 engines	1P2227	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Temperature Sender / Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Throttle Control Actuator Connector

Brand	Part Number	Markets	Notes	Buy
BWD/NIEHOFF Fits: 6.7L L6 DIESEL Turbocharged	PT1267	🇺🇸 US 🇨🇦 CA	Throttle Actuator ConnectorElectric Throttle Body Actuator Connector	View on Amazon
HOLSTEIN Fits: 6.7L L6 DIESEL Turbocharged	2HAR0013	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S2409	🇺🇸 US 🇨🇦 CA	Gender: MaleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S2409 Gender: MaleHarness Lengthinches: 12.5	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S1768	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	HP4105	🇺🇸 US 🇨🇦 CA	Handypack	View on Amazon

This table covers the harness connectors at the Throttle Control Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trailer Adapter Connector

Brand	Part Number	Markets	Notes	Buy
CURT Fits: all 2017 3500 engines	57101	🇺🇸 US 🇨🇦 CA	7-Way Round RV To 4-Way Flat Adapter Fitment notes — CURT 57101 7-Way Round RV To 4-Way Flat Adapter with Back Up AlarmGM/Ford Plugwith Factory Tow Package	View on Amazon
MOPAR Fits: 5.7L V8	56019823	🇺🇸 US 🇨🇦 CA	Trailer Tow Wiring Adapter converts seven-Way round connector To four-Way flat connector	View on Amazon

This table covers the harness connectors at the Trailer Adapter. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trailer Brake Switch Connector

Brand	Part Number	Markets	Notes	Buy
CURT Fits: all 2017 3500 engines	51457	🇺🇸 US 🇨🇦 CA	Brake Control Adapter Harness Fitment notes — CURT 51457 Brake Control Adapter Harness Fits: Crew Cab Pickup or Extended Crew Cab Pickup or Standard Cab PickupSLT Modelwith Quick PlugWill Not Work with OEM Itbcor Laramie Longhornwith Quick PlugWill Not Work with OEM Itbcor Crew Cab Pickup or Standard Cab PickupTradesmanwith Quick PlugWill Not Work with OEM Itbcor Crew Cab Pickup or Extended Crew Cab PickupBig Horn or Laramie or Limited or Lone Starwith Quick PlugWill Not Work with OEM Itbc	View on Amazon
CURT Fits: all 2017 3500 engines	51458	🇺🇸 US 🇨🇦 CA	Brake Control Adapter Harness Fitment notes — CURT 51458 Brake Control Adapter Harness Fits: Crew Cab Pickup or Extended Crew Cab Pickup or Standard Cab PickupSLT Modelwith Quick PlugWill Not Work with OEM Itbcor Laramie Longhornwith Quick PlugWill Not Work with OEM Itbcor Crew Cab Pickup or Standard Cab PickupTradesmanwith Quick PlugWill Not Work with OEM Itbcor Laramie Limited or ST Modelwith Quick PlugWill Not Work with OEM Itbcor Crew Cab Pickup or Extended Crew Cab PickupBig Horn or Laramie or Limited or Lone Starwith Quick PlugWill Not Work with OEM Itbc	View on Amazon

This table covers the harness connectors at the Trailer Brake Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trailer Connector

Brand	Part Number	Markets	Notes	Buy
CURT Popular Fits: all 2017 3500 engines	56415	🇺🇸 US 🇨🇦 CA	Replacement 7-Way RV Blade OEM SocketTwist-In Fitment notes — CURT 56415 Replacement 7-Way RV Blade OEM SocketTwist-In with Factory Tow Package	View on Amazon
CURT Popular Fits: all 2017 3500 engines	55415	🇺🇸 US 🇨🇦 CA	Replacement 7-Way RV Blade OEM Socket Fitment notes — CURT 55415 Replacement 7-Way RV Blade OEM Socket with Factory Tow Package	View on Amazon
CURT Popular Fits: all 2017 3500 engines	56229	🇺🇸 US 🇨🇦 CA	7-Way USCAR Electrical ConnectorLength: 24 in. Fitment notes — CURT 56229 7-Way USCAR Electrical ConnectorLength: 24 in.Bonded Wire with Factory Tow Package	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: all 2017 3500 engines	TC656	🇺🇸 US 🇨🇦 CA	with Towing PackageOE Style	View on Amazon
CURT Fits: all 2017 3500 engines	55515	🇺🇸 US 🇨🇦 CA	Custom Wiring ConnectorOE 4-Way Flat Fitment notes — CURT 55515 Custom Wiring ConnectorOE 4-Way FlatPlugs Into USCAR Replacement2-Wire Systemwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 3500 engines	56515	🇺🇸 US 🇨🇦 CA	Custom Wiring Connector5-Way Flat Fitment notes — CURT 56515 Custom Wiring Connector5-Way Flat 2-Wire Systemwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 3500 engines	55774	🇺🇸 US 🇨🇦 CA	OEM Vehicle to Trailer Connector with Harness7-Way and 4-Way Fitment notes — CURT 55774 OEM Vehicle to Trailer Connector with Harness7-Way and 4-Way with Factory Tow Package	View on Amazon
CURT Fits: all 2017 3500 engines	57015	🇺🇸 US 🇨🇦 CA	OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket	View on Amazon
CURT Fits: all 2017 3500 engines	55384	🇺🇸 US 🇨🇦 CA	Custom Wiring Connector4-Way Flat Fitment notes — CURT 55384 Custom Wiring Connector4-Way FlatRetains Use of 7 Way Round Connector 2-Wire Systemwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 3500 engines	57020	🇺🇸 US 🇨🇦 CA	OEM Replacement Dual-Output 7 and 4 Way ConnectorPackaged Fitment notes — CURT 57020 OEM Replacement Dual-Output 7 and 4 Way ConnectorPackaged Factory TowPlugs Into USCAR	View on Amazon
CURT Fits: all 2017 3500 engines	56584	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness5-Way Flat Fitment notes — CURT 56584 Custom Wiring Harness5-Way FlatRetains Use Of 7-Way OEM 2-Wire Systemwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 3500 engines	58994	🇺🇸 US 🇨🇦 CA		View on Amazon
CURT Fits: all 2017 3500 engines	58906	🇺🇸 US 🇨🇦 CA	Towed-Vehicle RV HarnessConnects Towed Vehicle To RV Using A Standard 4-Way Flat Trailer Plug Fitment notes — CURT 58906 Towed-Vehicle RV HarnessConnects Towed Vehicle To RV Using A Standard 4-Way Flat Trailer Plug 4WDwith LED Tail Lights	View on Amazon
CURT Fits: all 2017 3500 engines	58916	🇺🇸 US 🇨🇦 CA	Towed-Vehicle RV HarnessConnects Towed Vehicle To RV Using A Standard 4-Way Flat Trailer Plug Fitment notes — CURT 58916 Towed-Vehicle RV HarnessConnects Towed Vehicle To RV Using A Standard 4-Way Flat Trailer Plug 4WDwithout LED Tail Lights	View on Amazon
DORMAN Fits: all 2017 3500 engines	924611	🇺🇸 US 🇨🇦 CA		View on Amazon
MOPAR Fits: all 2017 3500 engines	68573359AA	🇺🇸 US 🇨🇦 CA	Fits Mega CabHD 4WD Fitment notes — MOPAR 68573359AA Fits: Mega CabHD 4WD or: Regular Cab8 Foot BedHD 4WD or: Crew Cab8' BoxHD 4WD or: Crew Cab Wheelbase 2HD 4WD	View on Amazon
MOPAR Fits: 5.7L V8	82212195AB	🇺🇸 US 🇨🇦 CA	Trailer Tow Wiring Harness for 5th Wheel and Gooseneck Trailer systems. 7-way connector mounts in bed and plugs into vehicle wiring, no splicing required	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	TC654	🇺🇸 US 🇨🇦 CA	with Towing Packagewith 7 Way	View on Amazon
WELLS Fits: all 2017 3500 engines	4T1242	🇺🇸 US 🇨🇦 CA	Flat 4 to OE Plug	View on Amazon

This table covers the trailer-lighting connectors at the hitch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Trailer Extension Connector

Brand	Part Number	Markets	Notes	Buy
CURT Fits: all 2017 3500 engines	56475	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness Extension Fitment notes — CURT 56475 Custom Wiring Harness Extension 20"Uscar To Uscarwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 3500 engines	56070010	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness Extension7 ft. Fitment notes — CURT 56070010 Custom Wiring Harness Extension7 ft.Pack of 10 7 WayFor 5th Wheel or Gooseneck In Bed Connection	View on Amazon
CURT Fits: all 2017 3500 engines	56000010	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness ExtensionPack of 10 Fitment notes — CURT 56000010 Custom Wiring Harness ExtensionPack of 10Length: 10 ft. 7 WayFor 5th Wheel or Gooseneck In Bed Connection	View on Amazon

This table covers the harness connectors at the Trailer Extension. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Transmission-Automatic Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Popular Fits: 6.4L V8	68224246AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisExcept Power Take Off Preparation - Left Side Fitment notes — MOPAR 68224246AA Fits: Cab ChassisExcept Power Take Off Preparation - Left SideRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Cab ChassisRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD TransHD 4WD or: Heavy Duty HEMI MDS Engine, Cab ChassisRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD TransHD 4WD<10,000 LB GVW or: Cab ChassisPower Take Off Preparation - Left SideRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine, Cab ChassisCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD TransHD 4WD<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisPower Take Off Preparation - Left SideCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisPower Take Off Preparation - Left SideRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans<10,000 LB GVW or: Heavy Duty HEMI MDS Engine, Cab ChassisExcept Power Take Off Prepar	View on Amazon
MOPAR Fits: 5.7L V8	68295501AE	🇺🇸 US 🇨🇦 CA	Fits HEMI160 Amps Alternator Fitment notes — MOPAR 68295501AE Fits: HEMI160 Amps AlternatorCrew Cab Wheelbase 2or HEMI160 Amps AlternatorCrew Cab8' Boxor HEMI160 Amps AlternatorMega Cabor HEMI160 Amps AlternatorRegular Cab8 Foot Bed	View on Amazon
MOPAR Fits: 5.7L V8	68295502AE	🇺🇸 US 🇨🇦 CA	Fits HEMI160 Amp Alternator, MAN Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68295502AE Fits: HEMI160 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseCrew Cab Crew Cab8' BoxHD 4WD or: HEMI160 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2HD 4WD or: HEMI160 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseMega CabHD 4WD or: HEMI160 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab8 Foot BedHD 4WD	View on Amazon
MOPAR Fits: 5.7L V8	68295503AE	🇺🇸 US 🇨🇦 CA	Fits HEMI160 Amp Alternator, Electric Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68295503AE Fits: HEMI160 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2HD 4WD or: HEMI160 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseCrew Cab Crew Cab8' BoxHD 4WD or: HEMI160 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseMega CabHD 4WD or: HEMI160 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab8 Foot BedHD 4WD	View on Amazon
MOPAR Fits: 5.7L V8	68295504AE	🇺🇸 US 🇨🇦 CA	Fits HEMI180 Amps Alternator Fitment notes — MOPAR 68295504AE Fits: HEMI180 Amps AlternatorCrew Cab Wheelbase 2or HEMI180 Amps AlternatorMega Cabor HEMI180 Amps AlternatorRegular Cab8 Foot Bedor HEMI180 Amps AlternatorCrew Cab8' Box	View on Amazon
MOPAR Fits: 5.7L V8	68295505AE	🇺🇸 US 🇨🇦 CA	Fits HEMI180 Amp Alternator, MAN Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68295505AE Fits: HEMI180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseCrew Cab Crew Cab8' BoxHD 4WD or: HEMI180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2HD 4WD or: HEMI180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseMega CabHD 4WD or: HEMI180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab8 Foot BedHD 4WD	View on Amazon
MOPAR Fits: 6.4L V8	68296521AE	🇺🇸 US 🇨🇦 CA	Fits Mid Duty HEMI MDS Engine180 Amp Alternator Fitment notes — MOPAR 68296521AE Fits: Mid Duty HEMI MDS Engine180 Amp AlternatorCrew Cab Wheelbase 26 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS Engine180 Amp AlternatorCrew Cab8 Foot Bed6 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS Engine180 Amp AlternatorMega Cab6 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS Engine180 Amp AlternatorRegular Cab8 Foot Bed6 Speed Automatic 66RFE Transmission	View on Amazon
MOPAR Fits: 6.4L V8	68296522AE	🇺🇸 US 🇨🇦 CA	Fits Mid Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68296522AE Fits: Mid Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 26 Speed Automatic 66RFE TransmissionHD 4WD or: Mid Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseCrew Cab8 Foot Bed6 Speed Automatic 66RFE TransmissionHD 4WD or: Mid Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseMega Cab6 Speed Automatic 66RFE TransmissionHD 4WD or: Mid Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed6 Speed Automatic 66RFE TransmissionHD 4WD	View on Amazon
MOPAR Fits: 6.4L V8	68296523AE	🇺🇸 US 🇨🇦 CA	Fits Mid Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68296523AE Fits: Mid Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 26 Speed Automatic 66RFE TransmissionHD 4WD or: Mid Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseCrew Cab8 Foot Bed6 Speed Automatic 66RFE TransmissionHD 4WD or: Mid Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseMega Cab6 Speed Automatic 66RFE TransmissionHD 4WD or: Mid Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed6 Speed Automatic 66RFE TransmissionHD 4WD	View on Amazon
MOPAR Fits: 6.4L V8	68296524AE	🇺🇸 US 🇨🇦 CA	Fits Mid Duty HEMI MDS Engine220 Amp Alternator Fitment notes — MOPAR 68296524AE Fits: Mid Duty HEMI MDS Engine220 Amp AlternatorExc. Dual Alternators Rated At 380 AmpsCrew Cab Wheelbase 26 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS Engine220 Amp AlternatorExc. Dual Alternators Rated At 380 AmpsCrew Cab8' Box6 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS Engine220 Amp AlternatorExc. Dual Alternators Rated At 380 AmpsMega Cab6 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS Engine220 Amp AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab8 Foot Bed6 Speed Automatic 66RFE Transmission	View on Amazon
MOPAR Fits: 6.4L V8	68296525AE	🇺🇸 US 🇨🇦 CA	Fits Mid Duty HEMI MDS EngineDual Alternators Rated At 380 Amps Fitment notes — MOPAR 68296525AE Fits: Mid Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsCrew Cab Wheelbase 26 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsCrew Cab8' Box6 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsMega Cab6 Speed Automatic 66RFE Transmission or: Mid Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab8 Foot Bed6 Speed Automatic 66RFE Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112925AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineManual Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 52112925AB Fits: Cummins EngineManual Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed6 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cummins engineManual Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 26 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cummins EngineManual Shift-On-The-Fly Transfer CaseMega Cab6 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cummins EngineManual Shift-On-The-Fly Transfer CaseCrew Cab Crew Cab8' Box6 Speed Auto Aisin AS69RC HD TransHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112926AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineElectric Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 52112926AB Fits: Cummins EngineElectric Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed6 Speed Automatic 68RFE TransmissionHD 4WD or: Cummins engineElectric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 26 Speed Automatic 68RFE TransmissionHD 4WD or: Cummins EngineElectric Shift-On-The-Fly Transfer CaseMega Cab6 Speed Automatic 68RFE TransmissionHD 4WD or: Cummins EngineElectric Shift-On-The-Fly Transfer CaseCrew Cab Crew Cab8' Box6 Speed Automatic 68RFE TransmissionHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112927AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineMega Cab Fitment notes — MOPAR 52112927AB Fits: Cummins EngineMega Cab6 Speed Auto Aisin AS69RC HD Trans or: Cummins EngineRegular Cab8 Foot Bed6 Speed Auto Aisin AS69RC HD Trans or: Cummins EngineCrew Cab Wheelbase 26 Speed Auto Aisin AS69RC HD Trans or: Cummins EngineCrew Cab Crew Cab8' Box6 Speed Auto Aisin AS69RC HD Trans	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112928AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineExcept Underground Calibration Fitment notes — MOPAR 52112928AB Fits: Cummins EngineExcept Underground CalibrationCrew Cab Wheelbase 26 Speed Automatic 68RFE Transmission or: Cummins EngineExcept Underground CalibrationMega Cab6 Speed Automatic 68RFE Transmission or: Cummins EngineExcept Underground CalibrationRegular Cab8 Foot Bed6 Speed Automatic 68RFE Transmission or: Cummins EngineExcept Underground CalibrationCrew Cab Crew Cab8' Box6 Speed Automatic 68RFE Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112929AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineExcept Underground Calibration Fitment notes — MOPAR 52112929AB Fits: Cummins EngineExcept Underground CalibrationCrew Cab Wheelbase 26-Speed Manual G56 Transmission or: Cummins EngineExcept Underground CalibrationMega Cab6-Speed Manual G56 Transmission or: Cummins EngineExcept Underground CalibrationRegular Cab8 Foot Bed6-Speed Manual G56 Transmission or: Cummins EngineExcept Underground CalibrationCrew Cab Crew Cab8' Box6-Speed Manual G56 Transmission	View on Amazon

This table covers the wiring-harness connectors at the Transmission-Automatic. Typical signs include an intermittent fault that moves when you wiggle the harness, or a melted or corroded plug. Match terminal count and keyway. Repair with heat-shrink terminals, not twist-and-tape.

Vapor Canister Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	HP4325	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS HP4325 HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade with Leak Detection PumpMain Unit	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S1024	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S1024 Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade with Leak Detection PumpMain Unit	View on Amazon

This table covers the harness connectors at the Vapor Canister. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Vapor Canister Purge Valve / Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
UNITED MOTOR PRODUCTS Popular Fits: 5.7L V8	CON58	🇺🇸 US 🇨🇦 CA	Terminal Gender: Female	View on Amazon
WELLS Popular Fits: all 2017 3500 engines	1P1711	🇺🇸 US 🇨🇦 CA	Terminal Type: BladeWiring Harness Length: 20.0 In	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	HP4325	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS HP4325 HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S1024	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S1024 Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 5.7L V8	S2052	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalGauge: 18-14 Gauge Fitment notes — STANDARD MOTOR PRODUCTS S2052 Connector Shape: OvalGauge: 18-14 GaugeHarness LengthCM: 50Inches: 20	View on Amazon
WALKER PRODUCTS Fits: 5.7L V8	2701132	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 500.00 mm	View on Amazon

This table covers the harness connectors at the Vapor Canister Purge Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Vapor Leak Detection Pump Connector

Brand	Part Number	Markets	Notes	Buy
ROSTRA Fits: 5.7L V8, 6.4L V8	610161	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	HP4325	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS HP4325 HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S1024	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S1024 Connector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade	View on Amazon
WELLS Fits: 5.7L V8, 6.4L V8	1P1626	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 17.75 In	View on Amazon

This table covers the harness connectors at the Vapor Leak Detection Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Variable Valve Timing (VVT) Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 5.7L V8, 6.4L V8	S3082	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Variable Valve Timing (VVT) Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Washer Fluid Level Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S3082	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Washer Fluid Level Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Washer Pump Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 3500 engines	S2279	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Washer Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Water in Fuel Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2963	🇺🇸 US 🇨🇦 CA	Black Fitment notes — STANDARD MOTOR PRODUCTS S2963 Black Engine Mounted	View on Amazon

This table covers the harness connectors at the Water in Fuel Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Wiring Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2017 3500 engines	68186565AA	🇺🇸 US 🇨🇦 CA	Fits Seat Parts Module Rear SeatExc. Overhead Ambient Surround Lighting Fitment notes — MOPAR 68186565AA Fits: Seat Parts Module Rear SeatExc. Overhead Ambient Surround LightingCrew Cab Crew Cab8' BoxHD 4WD or: Seat Parts Module Rear SeatExc. Overhead Ambient Surround LightingMega CabHD 4WD or: Seat Parts Module Rear SeatExc. Overhead Ambient Surround LightingCrew Cab Wheelbase 2HD 4WD	View on Amazon

This table covers the harness connectors at the Wiring. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.