How many electrical connector parts fit the 2017 Ram 4500?

Our catalog currently lists 156 electrical connector parts for the 2017 Ram 4500 across 59 subcategories and 16 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.

Do electrical connector parts differ between 2017 Ram 4500 engines?

Some do. 78 parts fit every engine; the other 78 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 4500?

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 4500 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 4500?

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 4500 Electrical Connector Parts: OEM & Replacement (156 Parts)

A/C Compressor Clutch Coil Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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 Temperature Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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 4500 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 4500 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 4500 engines	PT2160	🇺🇸 US 🇨🇦 CA	GoldShape: Square Fitment notes — ACDELCO PT2160 GoldShape: Square Fits: Front or: Rear Left	View on Amazon
HOLSTEIN Fits: all 2017 4500 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 Left	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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 4500 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 4500 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 4500 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
WELLS Fits: 6.4L V8	1P1562	🇺🇸 US 🇨🇦 CA		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: 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: 6.4L V8	S2895	🇺🇸 US 🇨🇦 CA	Upper Unit	View on Amazon
WELLS Fits: all 2017 4500 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 4500 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 Control Module / Resistor Connector

Brand	Part Number	Markets	Notes	Buy
GPD Popular Fits: all 2017 4500 engines	1712769	🇺🇸 US 🇨🇦 CA	Blower Motor Resistor Pigtailwith Square Connector	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: all 2017 4500 engines	S2117	🇺🇸 US 🇨🇦 CA	Connector Shape: Square Fitment notes — STANDARD MOTOR PRODUCTS S2117 Connector Shape: Square without Automatic Temperature Control	View on Amazon
FOUR SEASONS Fits: all 2017 4500 engines	37258	🇺🇸 US 🇨🇦 CA	4 Terminal MaleSquare Connector	View on Amazon
FOUR SEASONS Fits: all 2017 4500 engines	37263	🇺🇸 US 🇨🇦 CA	4 Terminal MaleRectangular Connector	View on Amazon
GPD Fits: all 2017 4500 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 4500 engines	2HAR0048	🇺🇸 US 🇨🇦 CA	without Automatic Temperature Control	View on Amazon
HOLSTEIN Fits: all 2017 4500 engines	2HAR0002	🇺🇸 US 🇨🇦 CA	without Automatic Temp Control	View on Amazon
HOLSTEIN Fits: all 2017 4500 engines	2HAR0052	🇺🇸 US 🇨🇦 CA	with Automatic Temperature Control	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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 Fits: all 2017 4500 engines	68270950AD	🇺🇸 US 🇨🇦 CA	Fits Exc. Power Lumbar AdjustExc. Heated Front Seats Fitment notes — MOPAR 68270950AD Fits: Exc. Power Lumbar AdjustExc. Heated Front SeatsExcept Keyless GoExc. Overhead Ambient Surround LightingExc. Heated Second Row SeatsExc. Rear Power Sliding WindowExcept Rear Window DefrosterCrew Cab Wheelbase 46-Speed Manual G56 Transmission or: Exc. Power Lumbar AdjustExc. Heated Front SeatsExcept Keyless GoExc. Overhead Ambient Surround LightingExc. Heated Second Row SeatsExc. Rear Power Sliding WindowExcept Rear Window DefrosterCrew Cab197.4" Wheelbase6-Speed Manual G56 Transmission	View on Amazon
MOPAR Fits: all 2017 4500 engines	68270951AD	🇺🇸 US 🇨🇦 CA	Fits Power Lumbar Adjust or Heated Front SeatsExcept Overhead Ambient Surround Lighting or Heated Second Row Seats or Keyless Go Fitment notes — MOPAR 68270951AD Fits: Power Lumbar Adjust or Heated Front SeatsExcept Overhead Ambient Surround Lighting or Heated Second Row Seats or Keyless Go or: Rear Power Sliding Window or: Rear Window DefrosterCrew Cab Wheelbase 46-Speed Manual G56 Transmission or: Rear Power Sliding Window or: Rear Window DefrosterExc. Overhead Ambient Surround Lighting or Heated Second Row Seats or Keyless GoCrew Cab Wheelbase 46-Speed Manual G56 Transmission or: Power Lumbar Adjust or Heated Front SeatsExcept Overhead Ambient Surround Lighting or Heated Second Row Seats or Keyless Go or: Rear Power Sliding Window or: Rear Window DefrosterCrew Cab197.4" Wheelbase6-Speed Manual G56 Transmission or: Rear Power Sliding Window or: Rear Window DefrosterExc. Overhead Ambient Surround Lighting or Heated Second Row Seats or Keyless GoCrew Cab197.4" Wheelbase6-Speed Manual G56 Transmission	View on Amazon
MOPAR Fits: all 2017 4500 engines	68270956AD	🇺🇸 US 🇨🇦 CA	Fits Exc. Power Lumbar AdjustExc. Heated Front Seats Fitment notes — MOPAR 68270956AD Fits: Exc. Power Lumbar AdjustExc. Heated Front SeatsExcept Keyless GoExc. Overhead Ambient Surround LightingExc. Heated Second Row SeatsExc. Rear Power Sliding WindowExcept Rear Window DefrosterCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Exc. Power Lumbar AdjustExc. Heated Front SeatsExcept Keyless GoExc. Overhead Ambient Surround LightingExc. Heated Second Row SeatsExc. Rear Power Sliding WindowExcept Rear Window DefrosterCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Exc. Power Lumbar AdjustExc. Heated Front SeatsExcept Keyless GoExc. Overhead Ambient Surround LightingExc. Heated Second Row SeatsExc. Rear Power Sliding WindowExcept Rear Window DefrosterCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS69RC HD Trans or: Exc. Power Lumbar AdjustExc. Heated Front SeatsExcept Keyless GoExc. Overhead Ambient Surround LightingExc. Heated Second Row SeatsExc. Rear Power Sliding WindowExcept Rear Window Defroster	View on Amazon
MOPAR Fits: all 2017 4500 engines	68270959AE	🇺🇸 US 🇨🇦 CA	Fits Keyless Go, Power Lumbar Adjust or Heated Front SeatsExc. Overhead Ambient Surround Lighting or Heated Second Row Seats Fitment notes — MOPAR 68270959AE Fits: Keyless Go, Power Lumbar Adjust or Heated Front SeatsExc. Overhead Ambient Surround Lighting or Heated Second Row SeatsCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Rear Power Sliding Window or: Rear Window DefrosterExc. Power Lumbar Adjust or Heated Front SeatsCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Keyless Go, Power Lumbar Adjust or Heated Front SeatsExc. Overhead Ambient Surround Lighting or Heated Second Row SeatsCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Rear Power Sliding Window or: Rear Window DefrosterExc. Power Lumbar Adjust or Heated Front SeatsCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Keyless Go, Power Lumbar Adjust or Heated Front SeatsExc. Overhead Ambient Surround Lighting or Heated Second Row SeatsCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS69RC HD Trans or: Rear Power Sliding Window or: Rear Window DefrosterExc. Power Lumbar Adjust or Heated Front SeatsCrew Cab197.4" Wheelbas	View on Amazon
MOPAR Fits: all 2017 4500 engines	68323666AA	🇺🇸 US 🇨🇦 CA	Tailgate WiringCamera Fitment notes — MOPAR 68323666AA Tailgate WiringCamera Fits: Parkview Rear Back-Up CameraCrew Cab Wheelbase 4or Parkview Rear Back-up CameraCrew Cab197.4" Wheelbas or: Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 1or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 2or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 3or Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 4	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	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S1832	🇺🇸 US 🇨🇦 CA	View on Amazon
WALKER PRODUCTS Fits: 6.4L V8	2701145	🇺🇸 US 🇨🇦 CA	View on Amazon
WELLS Fits: 6.7L L6 DIESEL Turbocharged	1P2682	🇺🇸 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	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S1832	🇺🇸 US 🇨🇦 CA		View on Amazon
WALKER PRODUCTS Fits: 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

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: 6.7L L6 DIESEL Turbocharged	68330360AB	🇺🇸 US 🇨🇦 CA	Urea Tank Harness Fitment notes — MOPAR 68330360AB Urea Tank Harness Fits: Cummins Engine.Selective Catalytic Reduction (UREA)Regular Cab Chassis Wheelbase 3or Cummins Engine.Selective Catalytic Reduction (UREA)Regular Cab Chassis Wheelbase 4or Cummins Engine.Selective Catalytic Reduction (Urea)Regular Cab Chassis Wheelbase 1or Cummins Engine.Selective Catalytic Reduction (Urea)Regular Cab Chassis Wheelbase 2or Cummins Engine.Selective Catalytic Reduction (Urea)Crew Cab Wheelbase 4or Cummins Engine.Selective Catalytic Reduction (Urea)Crew Cab197.4" Wheelbase	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 4500 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.

Door Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2017 4500 engines	68263808AC	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68263808AC Rear Door Wiring Fits: LeftPower LocksExcept Rear Door Accent Lighting or Remote Proximity Keyless EntryCrew Cab Wheelbase 4 or: LeftPower LocksExcept Rear Door Accent Lighting or Remote Proximity Keyless EntryCrew Cab197.4" Wheelbase or: LeftPower Locks, Rear Door Accent LightingExcept Remote Proximity Keyless EntryCrew Cab Wheelbase 4 or: LeftPower Locks, Rear Door Accent LightingExcept Remote Proximity Keyless EntryCrew Cab197.4" Wheelbase or: LeftPower Locks, Rear Door Accent Lighting, Remote Proximity Keyless EntryCrew Cab Wheelbase 4 or: LeftPower Locks, Rear Door Accent Lighting, Remote Proximity Keyless EntryCrew Cab197.4" Wheelbase or: LeftPower Locks, Remote Proximity Keyless EntryExc. Rear Door Accent LightingCrew Cab Wheelbase 4 or: LeftPower Locks, Remote Proximity Keyless EntryExc. Rear Door Accent LightingCrew Cab197.4" Wheelbase	View on Amazon
MOPAR Fits: all 2017 4500 engines	68263810AC	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68263810AC Rear Door Wiring Fits: RightPower LocksExcept Rear Door Accent Lighting or Remote Proximity Keyless EntryCrew Cab Wheelbase 4 or: RightPower LocksExcept Rear Door Accent Lighting or Remote Proximity Keyless EntryCrew Cab197.4" Wheelbase or: RightPower Locks, Rear Door Accent LightingExcept Remote Proximity Keyless EntryCrew Cab Wheelbase 4 or: RightPower Locks, Rear Door Accent LightingExcept Remote Proximity Keyless EntryCrew Cab197.4" Wheelbase or: RightPower Locks, Rear Door Accent Lighting, Remote Proximity Keyless EntryCrew Cab Wheelbase 4 or: RightPower Locks, Rear Door Accent Lighting, Remote Proximity Keyless EntryCrew Cab197.4" Wheelbase or: RightPower Locks, Remote Proximity Keyless EntryExc. Rear Door Accent LightingCrew Cab Wheelbase 4 or: RightPower Locks, Remote Proximity Keyless EntryExc. Rear Door Accent LightingCrew Cab197.4" Wheelbase	View on Amazon

This table covers the wiring-harness connectors at the Door. 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.

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: 6.4L V8	68230846AA	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine.Engine Block Heater Fitment notes — MOPAR 68230846AA Fits: Heavy Duty HEMI MDS Engine.Engine Block HeaterCrew Cab Wheelbase 4or Heavy Duty HEMI MDS Engine.Engine Block HeaterCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS Engine.Engine Block HeaterRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS Engine.Engine Block HeaterRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS Engine.Engine Block HeaterRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS Engine.Engine Block HeaterRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68206400AB	🇺🇸 US 🇨🇦 CA	Fits Engine Block HeaterCrew Cab Wheelbase 4or Engine Block Heater Fitment notes — MOPAR 68206400AB Fits: Engine Block HeaterCrew Cab Wheelbase 4or Engine Block HeaterRegular Cab Chassis Wheelbase 1or Engine Block HeaterRegular Cab Chassis Wheelbase 2or Engine Block HeaterRegular Cab Chassis Wheelbase 3or Engine Block HeaterRegular Cab Chassis Wheelbase 4or Engine Block HeaterCrew Cab197.4" Wheelbase	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
ACDELCO Popular Fits: all 2017 4500 engines	LS254	🇺🇸 US 🇨🇦 CA	Gold Fitment notes — ACDELCO LS254 Gold with Projector Headlightswith 2 Female TerminalsColor Code Black and Blue	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: all 2017 4500 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 4500 engines	6S1046	🇺🇸 US 🇨🇦 CA		View on Amazon
ACDELCO Fits: all 2017 4500 engines	LS255	🇺🇸 US 🇨🇦 CA	Gold Fitment notes — ACDELCO LS255 Gold without Projector Headlightswith 2 Female TerminalsColor Code Black and Blue	View on Amazon
MOPAR Fits: all 2017 4500 engines	68046303AC	🇺🇸 US 🇨🇦 CA	Jumper Wiring Fitment notes — MOPAR 68046303AC Jumper Wiring Fits: Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 4 Fits: Cummins Engine.Bright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Cummins Engine.Bright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemCrew Cab197.4" Wheelbas or: Cummins Engine.Bright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 1or Cummins Engine.Bright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 2or Cummins Engine.Bright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 3or Cummins Engine.Bright Front Bumper, Fog LampsExc. Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: all 2017 4500 engines	68262823AA	🇺🇸 US 🇨🇦 CA	Jumper Wiring Fitment notes — MOPAR 68262823AA Jumper Wiring Fits: Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineBright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 4or Heavy Duty HEMI MDS EngineMonotone Paint, Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineMonotone Paint, B Fits: Cummins Engine.Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Cummins Engine.Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab197.4" Wheelbas or: Cummins Engine.Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 1or Cummins Engine.Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 2or Cummins Engine.Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 3or Cummins Engine.Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemRegular Cab Chassis Wheelbase 4or Cummins Engine.Monotone Paint, Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab Wheelbase 4or Cummins Engine.Monotone Paint, Bright Front Bumper, Fog Lamps, Parksense Front/Rear Park Assist SystemCrew Cab197.4"	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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 4500 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 4500 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 4500 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 4500 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
GB REMANUFACTURING Fits: 6.4L V8	5191	🇺🇸 US 🇨🇦 CA		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
WELLS Fits: 6.4L V8	1P2047	🇺🇸 US 🇨🇦 CA	Wiring Harness Length: 20.22 In	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 4500 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 4500 engines	926384	🇺🇸 US 🇨🇦 CA		View on Amazon
SKP Popular Fits: all 2017 4500 engines	SK926384	🇺🇸 US 🇨🇦 CA		View on Amazon
MOPAR Fits: 6.4L V8	52112119AB	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps Fitment notes — MOPAR 52112119AB Fits: Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	52112120AB	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog Lamps Fitment notes — MOPAR 52112120AB Fits: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	52112121AB	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System Fitment notes — MOPAR 52112121AB Fits: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	52112122AB	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog Lamps Fitment notes — MOPAR 52112122AB Fits: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineHalogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.4L V8	52112123AB	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp, Fog Lamps Fitment notes — MOPAR 52112123AB Fits: Heavy Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 4or Heavy Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp, Fog LampsExc. Remote Start SystemCrew Cab197.4" Wheelbas or: Heavy Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 1or Heavy Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 2or Heavy Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 3or Heavy Duty HEMI MDS EngineBI-Function Halogen Projector Headlamp, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112125AB	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Halogen Quad Headlamps Fitment notes — MOPAR 52112125AB Fits: Cummins Engine.Halogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Crew Cab197.4" Wheelbas or: Cummins Engine.Halogen Quad HeadlampsExc. Remote Start System or Fog LampsCrew Cab Wheelbase 4or Cummins Engine.Halogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 1or Cummins Engine.Halogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 2or Cummins Engine.Halogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 3or Cummins Engine.Halogen Quad HeadlampsExc. Remote Start System or Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112126AB	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Halogen Quad Headlamps, Fog Lamps Fitment notes — MOPAR 52112126AB Fits: Cummins Engine.Halogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab Wheelbase 4or Cummins Engine.Halogen Quad Headlamps, Fog LampsExc. Remote Start SystemCrew Cab197.4" Wheelbas or: Cummins Engine.Halogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 1or Cummins Engine.Halogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 2or Cummins Engine.Halogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 3or Cummins Engine.Halogen Quad Headlamps, Fog LampsExc. Remote Start SystemRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112127AB	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Halogen Quad Headlamps, Remote Start System Fitment notes — MOPAR 52112127AB Fits: Cummins Engine.Halogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab Wheelbase 4or Cummins Engine.Halogen Quad Headlamps, Remote Start SystemExc. Fog LampsCrew Cab197.4" Wheelbas or: Cummins Engine.Halogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 1or Cummins Engine.Halogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 2or Cummins Engine.Halogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 3or Cummins Engine.Halogen Quad Headlamps, Remote Start SystemExc. Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112128AB	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Halogen Quad Headlamps, Remote Start System, Fog Lamps Fitment notes — MOPAR 52112128AB Fits: Cummins Engine.Halogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab Wheelbase 4or Cummins Engine.Halogen Quad Headlamps, Remote Start System, Fog LampsCrew Cab197.4" Wheelbas or: Cummins Engine.Halogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 1or Cummins Engine.Halogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 2or Cummins Engine.Halogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 3or Cummins Engine.Halogen Quad Headlamps, Remote Start System, Fog LampsRegular Cab Chassis Wheelbase 4	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112129AB	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.BI-Function Halogen Projector Headlamp Fitment notes — MOPAR 52112129AB Fits: Cummins Engine.BI-Function Halogen Projector HeadlampExc. Remote Start SystemCrew Cab Wheelbase 4or Cummins Engine.BI-Function Halogen Projector HeadlampExc. Remote Start SystemCrew Cab197.4" Wheelbas or: Cummins Engine.BI-Function Halogen Projector HeadlampExc. Remote Start SystemRegular Cab Chassis Wheelbase 1or Cummins Engine.BI-Function Halogen Projector HeadlampExc. Remote Start SystemRegular Cab Chassis Wheelbase 2or Cummins Engine.BI-Function Halogen Projector HeadlampExc. Remote Start SystemRegular Cab Chassis Wheelbase 3or Cummins Engine.BI-Function Halogen Projector HeadlampExc. Remote Start SystemRegular Cab Chassis Wheelbase 4	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 4500 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: 6.4L V8	S2087	🇺🇸 US 🇨🇦 CA	Gauge: 16-14 GA	View on Amazon
UNITED MOTOR PRODUCTS Fits: 6.4L V8	CON60	🇺🇸 US 🇨🇦 CA		View on Amazon
WELLS Fits: 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.

Ignition Starter Switch Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 engines	S2402	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Ignition Starter 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.

Knock / Detonation Sensor Connector

Brand	Part Number	Markets	Notes	Buy
ACDELCO Fits: 6.4L V8	PT2164	🇺🇸 US 🇨🇦 CA	Gold	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	HP3860	🇺🇸 US 🇨🇦 CA	HandypackTerminal Type: Blade Fitment notes — STANDARD MOTOR PRODUCTS HP3860 HandypackTerminal Type: BladeBlack	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.4L V8	S697	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleHarness Length Fitment notes — STANDARD MOTOR PRODUCTS S697 Connector Shape: RectangleHarness Lengthinches: 8.5Number of Splice Connectors Included: 0Terminal Type: BladeWiring Harness Length (mm): 215.9Black	View on Amazon
WALKER PRODUCTS Fits: 6.4L V8	2701034	🇺🇸 US 🇨🇦 CA		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.

Mass Air Flow (MAF) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 engines	S2937	🇺🇸 US 🇨🇦 CA	Color Code Gray and Bluewith 3 Female Terminals	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.

Parking / Turn Signal Lamp Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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 4500 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: 6.4L V8	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 4500 engines	716523	🇺🇸 US 🇨🇦 CA	OEM Radio HarnessFor OEM Radio Fitment notes — METRA 716523 OEM Radio HarnessFor OEM Radio TradesmanPlugs Into OEM Radio52-Pin OE HarnessFully Terminated	View on Amazon
METRA Fits: all 2017 4500 engines	AXADBXHCH3	🇺🇸 US 🇨🇦 CA	AD Interface Harness Fitment notes — METRA AXADBXHCH3 AD Interface Harness Tradesmanwith 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.

Speed Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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
UNITED MOTOR PRODUCTS Fits: all 2017 4500 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: 6.4L V8	S2984	🇺🇸 US 🇨🇦 CA		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 Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2017 4500 engines	68163712AB	🇺🇸 US 🇨🇦 CA	Fits 4-Spoke Steering Wheel, Speed Control, Vehicle Information CenterExcept Steering Wheel Mounted Audio Controls or Integrated Voice Command with Bluetooth Fitment notes — MOPAR 68163712AB Fits: 4-Spoke Steering Wheel, Speed Control, Vehicle Information CenterExcept Steering Wheel Mounted Audio Controls or Integrated Voice Command with BluetoothRegular Cab Chassis Wheelbase 4or 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Steering Wheel Mounted Audio ControlsCrew Cab Wheelbase 4or 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Steering Wheel Mounted Audio ControlsCrew Cab197.4" Wheelbas or: 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Steering Wheel Mounted Audio ControlsRegular Cab Chassis Wheelbase 1or 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Steering Wheel Mounted Audio ControlsRegular Cab Chassis Wheelbase 2or 4-Spoke Steering Wheel, Speed Control, Vehicle Information Center, Integrated Voice Com	View on Amazon
MOPAR Fits: all 2017 4500 engines	68163716AC	🇺🇸 US 🇨🇦 CA	Fits Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeCrew Cab Wheelbase 4or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie Badge Fitment notes — MOPAR 68163716AC Fits: Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeCrew Cab Wheelbase 4or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeCrew Cab197.4" Wheelbas or: Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeRegular Cab Chassis Wheelbase 1or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Heated Steering Wheel, Integrated Voice Command with Bluetooth, Laramie BadgeRegular Cab Chassis Wheelbase 2or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Cente	View on Amazon
MOPAR Fits: all 2017 4500 engines	68163713AC	🇺🇸 US 🇨🇦 CA	Fits Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering Wheel Fitment notes — MOPAR 68163713AC Fits: Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering WheelCrew Cab Wheelbase 4or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering WheelCrew Cab197.4" Wheelbas or: Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering WheelRegular Cab Chassis Wheelbase 1or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with BluetoothExc. Heated Steering WheelRegular Cab Chassis Wheelbase 2or Leather Wrapped Steering Wheel, Speed Control, Steering Wheel Mounted Audio Controls, Vehicle Information Center, Integrated Voice Command with Bluetooth	View on Amazon

This table covers the harness connectors at the Steering Wheel. 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 4500 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.

Temperature Sender / Sensor Connector

Brand	Part Number	Markets	Notes	Buy
ACDELCO Fits: all 2017 4500 engines	PT2386	🇺🇸 US 🇨🇦 CA	GoldShape: Square	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 engines	HP3840	🇺🇸 US 🇨🇦 CA	HandypackWiring Harness Length (mm): 158.75 Fitment notes — STANDARD MOTOR PRODUCTS HP3840 HandypackWiring Harness Length (mm): 158.75black	View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 engines	TX3A	🇺🇸 US 🇨🇦 CA	Wiring 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: 6.4L V8	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: 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 4500 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 Tradesmanwith Back Up AlarmGM/Ford Plugwith Factory Tow Package	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	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 4500 engines	51457	🇺🇸 US 🇨🇦 CA	Brake Control Adapter Harness Fitment notes — CURT 51457 Brake Control Adapter Harness Tradesmanwith Quick PlugWill Not Work with OEM Itbc	View on Amazon
CURT Fits: all 2017 4500 engines	51458	🇺🇸 US 🇨🇦 CA	Brake Control Adapter Harness Fitment notes — CURT 51458 Brake Control Adapter Harness Tradesmanwith 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 4500 engines	55415	🇺🇸 US 🇨🇦 CA	Replacement 7-Way RV Blade OEM Socket Fitment notes — CURT 55415 Replacement 7-Way RV Blade OEM Socket Tradesmanwith Factory Tow Package	View on Amazon
CURT Popular Fits: all 2017 4500 engines	56229	🇺🇸 US 🇨🇦 CA	7-Way USCAR Electrical ConnectorLength: 24 in. Fitment notes — CURT 56229 7-Way USCAR Electrical ConnectorLength: 24 in.Bonded Wire Tradesmanwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 4500 engines	56415	🇺🇸 US 🇨🇦 CA	Replacement 7-Way RV Blade OEM SocketTwist-In Fitment notes — CURT 56415 Replacement 7-Way RV Blade OEM SocketTwist-In Tradesmanwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 4500 engines	55515	🇺🇸 US 🇨🇦 CA	Custom Wiring ConnectorOE 4-Way Flat Fitment notes — CURT 55515 Custom Wiring ConnectorOE 4-Way FlatPlugs Into USCAR TradesmanReplacement2-Wire Systemwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 4500 engines	56515	🇺🇸 US 🇨🇦 CA	Custom Wiring Connector5-Way Flat Fitment notes — CURT 56515 Custom Wiring Connector5-Way Flat Tradesman2-Wire Systemwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 4500 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 Tradesmanwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 4500 engines	57015	🇺🇸 US 🇨🇦 CA	OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket Fitment notes — CURT 57015 OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket Tradesman	View on Amazon
CURT Fits: all 2017 4500 engines	55384	🇺🇸 US 🇨🇦 CA	Custom Wiring Connector4-Way Flat Fitment notes — CURT 55384 Custom Wiring Connector4-Way FlatRetains Use of 7 Way Round Connector Tradesman2-Wire Systemwith Factory Tow Package	View on Amazon
CURT Fits: all 2017 4500 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 TradesmanFactory TowPlugs Into USCAR	View on Amazon
CURT Fits: all 2017 4500 engines	56584	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness5-Way Flat Fitment notes — CURT 56584 Custom Wiring Harness5-Way FlatRetains Use Of 7-Way OEM Tradesman2-Wire Systemwith Factory Tow Package	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 4500 engines	56475	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness Extension Fitment notes — CURT 56475 Custom Wiring Harness Extension Tradesman20"Uscar To Uscarwith Factory Tow Package	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 Fits: 6.4L V8	68296548AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine180 Amp Alternator Fitment notes — MOPAR 68296548AD Fits: Heavy Duty HEMI MDS Engine180 Amp AlternatorCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorCrew Cab Crew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amps AlternatorRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.4L V8	68296549AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68296549AD Fits: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, MAN Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Manual Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.4L V8	68296550AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68296550AD Fits: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine180 Amp Alternator, Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.4L V8	68296551AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS Engine220 Amp Alternator Fitment notes — MOPAR 68296551AD Fits: Heavy Duty HEMI MDS Engine220 Amp AlternatorExc. Dual Alternators Rated At 380 AmpsCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsCrew Cab Crew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS Engine220 Amps AlternatorExc. Dual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.4L V8	68296552AD	🇺🇸 US 🇨🇦 CA	Fits Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 Amps Fitment notes — MOPAR 68296552AD Fits: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsCrew Cab Crew Cab197.4" Wheelbase6 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsCrew Cab Wheelbase 46 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS66RC HD Trans or: Heavy Duty HEMI MDS EngineDual Alternators Rated At 380 AmpsRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS66RC HD Trans	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112915AC	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Manual Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 52112915AC Fits: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112916AC	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Regular Cab Chassis Wheelbase 3 Fitment notes — MOPAR 52112916AC Fits: Cummins Engine.Regular Cab Chassis Wheelbase 36 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Regular Cab Chassis Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Regular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Regular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Crew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Crew Cab197.4" Wheelbase6 Speed Auto Aisin AS69RC HD Trans	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112917AC	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Electric Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 52112917AC Fits: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36-Speed Manual G56 Transmission or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46-Speed Manual G56 Transmission or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6-Speed Manual G56 Transmission or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16-Speed Manual G56 Transmission or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26-Speed Manual G56 Transmission or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46-Speed Manual G56 Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112918AC	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Manual Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 52112918AC Fits: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36-Speed Manual G56 Transmission or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46-Speed Manual G56 Transmission or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6-Speed Manual G56 Transmission or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16-Speed Manual G56 Transmission or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26-Speed Manual G56 Transmission or: Cummins Engine.Manual Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46-Speed Manual G56 Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112995AC	🇺🇸 US 🇨🇦 CA	Fits Cummins Engine.Electric Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 52112995AC Fits: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 36 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 46 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseCrew Cab197.4" Wheelbase6 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD Trans or: Cummins Engine.Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans	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: 6.4L V8	HP4325	🇺🇸 US 🇨🇦 CA	HandypackConnector Shape: Rectangle Fitment notes — STANDARD MOTOR PRODUCTS HP4325 HandypackConnector Shape: RectangleHarness Length16-1/2 "Terminal Type: Blade Main Unit	View on Amazon
STANDARD MOTOR PRODUCTS Fits: 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 Main 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
STANDARD MOTOR PRODUCTS Fits: 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: 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

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: 6.4L V8	610161	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: all 2017 4500 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 4500 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: 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: 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 4500 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 4500 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.