2023 Ram 3500 Electrical Connector Parts: OEM & Replacement (61 Parts)

Q: How many electrical connector parts fit the 2023 Ram 3500?

Our catalog currently lists 61 electrical connector parts for the 2023 Ram 3500 across 25 subcategories and 5 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.

Q: Do electrical connector parts differ between 2023 Ram 3500 engines?

Yes. Every electrical connector part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

Q: What are the signs of electrical connector problems on a 2023 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.

Q: 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.

Q: 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 2023 Ram 3500 was originally sold in the US, the safest choice is a part marked for the US market.

Q: How do I make sure a part fits my 2023 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.

The 2023 Ram 3500 has 61 electrical connector parts with verified fitment on this page — 25 part types and 5 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part includes a manufacturer part number and application notes.

The connector system on the 2023 Ram 3500 supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. The largest groups are Trailer Connector (14 parts), Body Wiring Harness / Connector (7 parts) and Headlamp Wiring Harness / Connector (5 parts). The other 22 part types cover the remaining 35 parts.

A/C Refrigerant Pressure Switch Connector

Brand	Part Number	Markets	Notes	Buy
HOLSTEIN Fits: 6.7L L6 DIESEL Turbocharged	2HAR0060	🇺🇸 US 🇨🇦 CA		View on Amazon
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	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.

Battery Current Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S1686	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalBlack Fitment notes — STANDARD MOTOR PRODUCTS S1686 Connector Shape: OvalBlackIncludes Wheel Speed Sensor Wiring Harness, ABS Wheel Speed Sensor Wire Harness	View on Amazon

This table covers the harness connectors at the Battery Current 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.

Body Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Popular Fits: 6.7L L6 DIESEL Turbocharged	68387005AC	🇺🇸 US 🇨🇦 CA	Fits Box or Rambox Cargo Management System, Locking TailgateRegular Cab Fitment notes — MOPAR 68387005AC Fits: Box or Rambox Cargo Management System, Locking TailgateRegular Cab8 Foot BedHD 4WD or: Box or Rambox Cargo Management System, Locking TailgateMega CabHD 4WD or: Box or Rambox Cargo Management System, Locking TailgateCrew Cab Wheelbase 2HD 4WD or: Box or Rambox Cargo Management System, Locking TailgateCrew Cab Crew Cab8' BoxHD 4WD	View on Amazon
MOPAR Popular Fits: 6.7L L6 DIESEL Turbocharged	68399008AD	🇺🇸 US 🇨🇦 CA	Camera Fitment notes — MOPAR 68399008AD Camera Fits: Cab ChassisParkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 2HD 4WD or: Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 1<10K Lb. Cab CHASSIS or: Parkview Rear Back-Up CameraRegular Cab Chassis Wheelbase 1HD 4WD<10K Lb. Cab CHASSIS or: Delete Box, Parkview Rear Back-up CameraCrew Cab8' BoxHD 4WD or: Delete BoxParkview Rear Back-up CameraMega CabHD 4WD or: Delete BoxParkview Rear Back-up CameraRegular Cab8 Foot BedHD 4WD or: Parkview Rear Back-Up CameraCrew Cab Wheelbase 4<10K Lb. Cab CHASSIS or: Parkview Rear Back-Up CameraCrew Cab Wheelbase 4HD 4WD<10K Lb. Cab CHASSIS or: Delete Box, Parkview Rear Back-up CameraCrew Cab Wheelbase 2HD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	52112345AD	🇺🇸 US 🇨🇦 CA	Frame to DashFront Axle Disconnect Fitment notes — MOPAR 52112345AD Frame to DashFront Axle Disconnect Fits: FrontRegular Cab8 Foot Bed or: FrontCrew Cab8' Box or: FrontCab ChassisRegular Cab Chassis Wheelbase 2 or: FrontRegular Cab Chassis Wheelbase 1<10K Lb. Cab Chassis or: FrontCrew Cab Wheelbase 2 or: FrontCrew Cab Wheelbase 4<10K Lb. Cab Chassis	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68396011AB	🇺🇸 US 🇨🇦 CA	Tail Lamp Fitment notes — MOPAR 68396011AB Tail Lamp Fits: Box or Rambox Cargo Management System, Incandescent TaillampsRegular Cab8 Foot BedHD 4WD or: Box or Rambox Cargo Management System, Incandescent TaillampsMega CabHD 4WD or: Box or Rambox Cargo Management System, Incandescent TaillampsCrew Cab Wheelbase 2HD 4WD or: Box or Rambox Cargo Management System, Incandescent TaillampsCrew Cab Crew Cab8' BoxHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68396013AB	🇺🇸 US 🇨🇦 CA	Tail Lamp Fitment notes — MOPAR 68396013AB Tail Lamp Fits: Box or Rambox Cargo Management System, Blind Spot and Cross Path DetectionRegular Cab8 Foot BedHD 4WD or: Box or Rambox Cargo Management System, Blind Spot and Cross Path DetectionMega CabHD 4WD or: Box or Rambox Cargo Management System, Blind Spot and Cross Path DetectionCrew Cab Wheelbase 2HD 4WD or: Box or Rambox Cargo Management System, Blind Spot and Cross Path DetectionCrew Cab Crew Cab8' BoxHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68396015AC	🇺🇸 US 🇨🇦 CA	Camera Fitment notes — MOPAR 68396015AC Camera Fits: Delete Box, Trailer Tire Pressure Monitoring SystemCrew Cab8' BoxHD 4WD or: Delete Box, Trailer Tire Pressure Monitoring SystemMega CabHD 4WD or: Delete Box, Trailer Tire Pressure Monitoring SystemRegular Cab8 Foot BedHD 4WD or: Cab ChassisDelete Box, Trailer Tire Pressure Monitoring SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Delete Box, Trailer Tire Pressure Monitoring SystemRegular Cab Chassis Wheelbase 1<10K Lb. Cab CHASSIS or: Delete Box, Trailer Tire Pressure Monitoring SystemRegular Cab Chassis Wheelbase 1HD 4WD<10K Lb. Cab CHASSIS or: Delete Box, Trailer Tire Pressure Monitoring SystemCrew Cab Wheelbase 2HD 4WD or: Delete Box, Trailer Tire Pressure Monitoring SystemCrew Cab Wheelbase 4<10K Lb. Cab CHASSIS or: Delete Box, Trailer Tire Pressure Monitoring SystemCrew Cab Wheelbase 4HD 4WD<10K Lb. Cab Chassis	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68397412AA	🇺🇸 US 🇨🇦 CA	Fits Parksense Rear Park Assist System or Parksense FR/RR Park Assist SystemRegular Cab Chassis Wheelbase 1 Fitment notes — MOPAR 68397412AA Fits: Parksense Rear Park Assist System or Parksense FR/RR Park Assist SystemRegular Cab Chassis Wheelbase 1<10,000 LB GVW or: Parksense Rear Park Assist System or Parksense FR/RR Park Assist SystemRegular Cab Chassis Wheelbase 1HD 4WD<10,000 LB GVW or: Parksense Rear Park Assist System or Parksense FR/RR Park Assist SystemCrew Cab Wheelbase 4<10,000 LB GVW or: Parksense Rear Park Assist System or Parksense FR/RR Park Assist SystemCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW	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.

Controller Area Network (CAN) Bus Connector

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: 6.7L L6 DIESEL Turbocharged	601309	🇺🇸 US 🇨🇦 CA	13-Way Green	View on Amazon
DORMAN Fits: 6.7L L6 DIESEL Turbocharged	601308	🇺🇸 US 🇨🇦 CA	20-Way Green	View on Amazon

This table covers the harness connectors at the Controller Area Network (CAN) Bus. 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	68330357AB	🇺🇸 US 🇨🇦 CA	Urea Tank Harness Fitment notes — MOPAR 68330357AB Urea Tank Harness Fits: Cummins engine HO EngineSelective Catalytic Reduction (Urea)Mega CabHD 4WD or: Cummins engine HO EngineSelective Catalytic Reduction (Urea)Regular Cab8 Foot BedHD 4WD or: Cummins EngineCummins engine HO EngineSelective Catalytic Reduction (Urea)Crew Cab Crew Cab8' BoxHD 4WD or: Cummins EngineCummins engine HO EngineSelective Catalytic Reduction (Urea)Crew Cab Wheelbase 2HD 4WD or: Cummins EngineCummins engine HO EngineSelective Catalytic Reduction (Urea)Regular Cab8 Foot Bed	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 1HD 4WD or: Cab ChassisCummins EngineSelective Catalytic Reduction (Urea)Regular Cab Chassis Wheelbase 2HD 4WD or: Cab ChassisCummins engineSelective Catalytic Reduction (Urea)Crew Cab Wheelbase 4HD 4WD	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: 6.7L L6 DIESEL Turbocharged	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: 6.7L L6 DIESEL Turbocharged	68365982AD	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68365982AD Rear Door Wiring Fits: RightSpeed Sensitive Power Locks, Rear Door Accent LightingCrew Cab Wheelbase 2HD 4WD or: RightSpeed Sensitive Power Locks, Rear Door Accent LightingMega CabHD 4WD or: Speed Sensitive Power Locks, Rear Door Accent LightingCrew Cab Wheelbase 4<10K Lb. Cab CHASSIS or: Speed Sensitive Power Locks, Rear Door Accent LightingCrew Cab Wheelbase 4HD 4WD<10K Lb. Cab Chassis or: RightSpeed Sensitive Power Locks, Rear Door Accent LightingCrew Cab Crew Cab8' BoxHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68365983AD	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68365983AD Rear Door Wiring Fits: LeftSpeed Sensitive Power Locks, Rear Door Accent LightingCrew Cab Wheelbase 2HD 4WD or: LeftSpeed Sensitive Power Locks, Rear Door Accent LightingMega CabHD 4WD or: Speed Sensitive Power Locks, Rear Door Accent LightingCrew Cab Wheelbase 4<10K Lb. Cab CHASSIS or: Speed Sensitive Power Locks, Rear Door Accent LightingCrew Cab Wheelbase 4HD 4WD<10K Lb. Cab Chassis or: LeftSpeed Sensitive Power Locks, Rear Door Accent LightingCrew Cab Crew Cab8' BoxHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68365984AD	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68365984AD Rear Door Wiring Fits: RightSpeed Sensitive Power LocksExc. Rear Door Accent LightingCrew Cab Wheelbase 2HD 4WD or: RightSpeed Sensitive Power LocksExc. Rear Door Accent LightingMega CabHD 4WD or: Speed Sensitive Power LocksExc. Rear Door Accent LightingCrew Cab Wheelbase 4<10K Lb. Cab CHASSIS or: Speed Sensitive Power LocksExc. Rear Door Accent LightingCrew Cab Wheelbase 4HD 4WD<10K Lb. Cab Chassis or: RightSpeed Sensitive Power LocksExc. Rear Door Accent LightingCrew Cab Crew Cab8' BoxHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68365985AD	🇺🇸 US 🇨🇦 CA	Rear Door Wiring Fitment notes — MOPAR 68365985AD Rear Door Wiring Fits: LeftSpeed Sensitive Power LocksExc. Rear Door Accent LightingCrew Cab Wheelbase 2HD 4WD or: LeftSpeed Sensitive Power LocksExc. Rear Door Accent LightingMega CabHD 4WD or: Speed Sensitive Power LocksExc. Rear Door Accent LightingCrew Cab Wheelbase 4<10K Lb. Cab CHASSIS or: Speed Sensitive Power LocksExc. Rear Door Accent LightingCrew Cab Wheelbase 4HD 4WD<10K Lb. Cab Chassis or: LeftSpeed Sensitive Power LocksExc. Rear Door Accent LightingCrew Cab Crew Cab8' BoxHD 4WD	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 Valve Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2498	🇺🇸 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: 6.7L L6 DIESEL Turbocharged	68409910AB	🇺🇸 US 🇨🇦 CA	Fits Cummins EngineCummins engine HO Engine Fitment notes — MOPAR 68409910AB Fits: Cummins EngineCummins engine HO EngineEngine Block HeaterCrew Cab Crew Cab8' Boxor Cummins EngineCummins engine HO EngineEngine Block HeaterMega CabHD 4WD or: Cummins EngineCummins engine HO EngineEngine Block HeaterCrew Cab Wheelbase 2HD 4WD or: Cummins engine HO EngineEngine Block HeaterRegular Cab8 Foot BedHD 4WD or: Cab ChassisCummins EngineEngine Block HeaterCrew Cab Wheelbase 4HD 4WD or: Cab ChassisCummins EngineEngine Block HeaterRegular Cab Chassis Wheelbase 1HD 4WD or: Cab ChassisCummins EngineEngine Block HeaterRegular Cab Chassis Wheelbase 2HD 4WD or: Cummins engine HO EngineEngine Block HeaterCrew Cab8' BoxHD 4WD	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.

Engine Wiring Harness / Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68533292AB	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCummins Engine Fitment notes — MOPAR 68533292AB Fits: Cab ChassisCummins Engine50 State Emissionswithout Emergency Vehicle EmissionsRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cab ChassisCummins Engine50 State Emissionswithout Emergency Vehicle EmissionsRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cab ChassisCummins Engine50 State Emissions, with Emergency Vehicle EmissionsRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cab ChassisCummins Engine50 State Emissions, with Emergency Vehicle EmissionsRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cab ChassisCummins Engine50 State Emissions, with Emergency Vehicle EmissionsCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cab ChassisCummins Engine50 State Emissionswithout Emergency Vehicle EmissionsCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD TransHD 4WD	View on Amazon

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

Exhaust Gas Temperature (EGT) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S3157	🇺🇸 US 🇨🇦 CA	Located Before Particulate Filter	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.

Fuel Sending Unit 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 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
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68377333AD	🇺🇸 US 🇨🇦 CA	Fascia Wiring Fitment notes — MOPAR 68377333AD Fascia Wiring Fits: Bright Front Bumper, Tow Hooks or Chrome Tow HooksExc. Parksense Front/Rear Park Assist SystemRegular Cab8 Foot BedHD 4WD or: Bright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemCrew Cab Wheelbase 2HD 4WD or: Bright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemCrew Cab8' BoxHD 4WD or: Bright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemCrew Cab Wheelbase 4<10,000 LB GVW or: Bright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemCrew Cab Wheelbase 4HD 4WD<10,000 LB GVW or: Bright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemMega CabHD 4WD or: Bright Front Bumper	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68549632AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCummins Engine Fitment notes — MOPAR 68549632AA Fits: Cab ChassisCummins EngineBI-Function LED Projector HeadlampsExc. Surround View Camera SystemRegular Cab Chassis Wheelbase 1HD 4WD or: Cab ChassisCummins EngineBI-Function LED Projector HeadlampsExc. Surround View Camera SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Cab ChassisCummins EngineBI-Function LED Projector HeadlampsExc. Surround View Camera SystemCrew Cab Wheelbase 4HD 4WD or: Cummins EngineCummins engine HO EngineBI-Function LED Projector HeadlampsExc. Surround View Camera SystemCrew Cab Crew Cab8' BoxHD 4WD or: Cummins EngineCummins engine HO EngineBI-Function LED Projector HeadlampsExc. Surround View Camera SystemRegular Cab8 Foot Bedor Cummins EngineCummins engine HO EngineBI-Function LED Projector HeadlampsExc. Surround View Camera SystemCrew Cab Wheelbase 2HD 4WD or: Cummins engine HO EngineBI-Function LED Projector HeadlampsExc. Surround View Camera SystemRegular Cab8 Foot BedHD 4WD or: Cummins engine HO	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68549636AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCummins Engine Fitment notes — MOPAR 68549636AA Fits: Cab ChassisCummins EngineHalogen Quad Headlamps or LED Reflector HeadlampsExc. Surround View Camera SystemRegular Cab Chassis Wheelbase 1HD 4WD or: Cab ChassisCummins EngineHalogen Quad Headlamps or LED Reflector HeadlampsExc. Surround View Camera SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Cab ChassisCummins EngineHalogen Quad Headlamps or LED Reflector HeadlampsExc. Surround View Camera SystemCrew Cab Wheelbase 4HD 4WD or: Cummins EngineCummins engine HO EngineHalogen Quad Headlamps or LED Reflector HeadlampsExc. Surround View Camera SystemCrew Cab Crew Cab8' BoxHD 4WD or: Cummins EngineHalogen Quad Headlamps or LED Reflector HeadlampsExc. Surround View Camera SystemMega CabHD 4WD or: Cummins EngineCummins engine HO EngineHalogen Quad Headlamps or LED Reflector HeadlampsExc. Surround View Camera SystemRegular Cab8 Foot BedHD 4WD or: Cummins engine HO EngineHalogen Quad Headlamps or LED Reflector HeadlampsExc. Surround Vie	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68549656AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCummins Engine Fitment notes — MOPAR 68549656AA Fits: Cab ChassisCummins EngineHalogen Quad Headlamps or LED Reflector Headlamps, Surround View Camera SystemRegular Cab Chassis Wheelbase 1HD 4WD or: Cab ChassisCummins EngineHalogen Quad Headlamps or LED Reflector Headlamps, Surround View Camera SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Cab ChassisCummins EngineHalogen Quad Headlamps or LED Reflector Headlamps, Surround View Camera SystemCrew Cab Wheelbase 4HD 4WD or: Cummins EngineCummins engine HO EngineHalogen Quad Headlamps or LED Reflector Headlamps, Surround View Camera SystemMega CabHD 4WD or: Cummins EngineCummins engine HO EngineHalogen Quad Headlamps or LED Reflector Headlamps, Surround View Camera SystemCrew Cab Crew Cab8' Boxor Cummins EngineCummins engine HO EngineHalogen Quad Headlamps or LED Reflector Headlamps, Surround View Camera SystemCrew Cab Wheelbase 2HD 4WD or: Cummins EngineCummins engine HO EngineHalogen Quad Headlamps or LED Reflector Headlamps, Surround View Ca	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68549657AA	🇺🇸 US 🇨🇦 CA	Fits Cab ChassisCummins Engine Fitment notes — MOPAR 68549657AA Fits: Cab ChassisCummins EngineBI-Function LED Projector Headlamps, Surround View Camera SystemRegular Cab Chassis Wheelbase 1HD 4WD or: Cab ChassisCummins EngineBI-Function LED Projector Headlamps, Surround View Camera SystemRegular Cab Chassis Wheelbase 2HD 4WD or: Cab ChassisCummins EngineBI-Function LED Projector Headlamps, Surround View Camera SystemCrew Cab Wheelbase 4HD 4WD or: Cummins EngineCummins engine HO EngineBI-Function LED Projector Headlamps, Surround View Camera SystemMega CabHD 4WD or: Cummins EngineCummins engine HO EngineBI-Function LED Projector Headlamps, Surround View Camera SystemRegular Cab8 Foot Bedor Cummins EngineCummins engine HO EngineBI-Function LED Projector Headlamps, Surround View Camera SystemCrew Cab Crew Cab8' BoxHD 4WD or: Cummins engine HO EngineBI-Function LED Projector Headlamps, Surround View Camera SystemCrew Cab Wheelbase 2HD 4WD or: Cummins engine HO EngineBI-Function LED Projector Headlamps, Surr	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: 6.7L L6 DIESEL Turbocharged	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.

License Plate Lamp Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2860	🇺🇸 US 🇨🇦 CA	Connector Shape: OvalGauge: 16 Gauge Fitment notes — STANDARD MOTOR PRODUCTS S2860 Connector Shape: OvalGauge: 16 GaugeHarness LengthInches: 13Terminal Type: Bladeblack	View on Amazon

This table covers the harness connectors at the License Plate 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.

Mass Air Flow (MAF) Sensor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S2894	🇺🇸 US 🇨🇦 CA		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.

Parking Aid Sensor Connector

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68377333AD	🇺🇸 US 🇨🇦 CA	Fascia Wiring Fitment notes — MOPAR 68377333AD Fascia Wiring Fits: FrontBright Front Bumper, Front LED Fog Lamps, Tow Hooks Or Chrome Tow HooksExc. FRONT FOG LAMPS Or PARKSENSE FR/RR PARK ASSIST SYSTEMMega CabHD 4WD or: FrontBright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemCrew Cab Crew Cab8' BoxHD 4WD or: FrontBright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemRegular Cab, 8 Foot BedHD 4WD or: FrontBright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemRegular Cab Chassis Wheelbase 1<10K Lb. Cab Chassis or: FrontBright Front Bumper, Front LED Fog Lamps, Tow Hooks or Chrome Tow HooksExc. Front Fog Lamps or Parksense FR/RR Park Assist SystemRegular Cab Chassis Wheelbase 1HD 4WD<10K Lb. Cab Chassis or: FrontCab ChassisBright Front Bumper, Front LED Fog Lamps, Tow Hook	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.

Trailer Adapter Connector

Brand	Part Number	Markets	Notes	Buy
CURT Fits: 6.7L L6 DIESEL Turbocharged	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 Plug	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: 6.7L L6 DIESEL Turbocharged	51457	🇺🇸 US 🇨🇦 CA	Brake Control Adapter Harness Fitment notes — CURT 51457 Brake Control Adapter Harness with Quick Plugwithout Factory Integrated Brake Control	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	51458	🇺🇸 US 🇨🇦 CA	Brake Control Adapter Harness Fitment notes — CURT 51458 Brake Control Adapter Harness with Quick Plugwithout Factory Integrated Brake Control	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: 6.7L L6 DIESEL Turbocharged	55415	🇺🇸 US 🇨🇦 CA	Replacement 7-Way RV Blade OEM Socket	View on Amazon
CURT Popular Fits: 6.7L L6 DIESEL Turbocharged	56229	🇺🇸 US 🇨🇦 CA	7-Way USCAR Electrical ConnectorLength: 24 in. Fitment notes — CURT 56229 7-Way USCAR Electrical ConnectorLength: 24 in.Bonded Wire	View on Amazon
STANDARD MOTOR PRODUCTS Popular Fits: 6.7L L6 DIESEL Turbocharged	TC656	🇺🇸 US 🇨🇦 CA	with Towing PackageOE Style	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	56415	🇺🇸 US 🇨🇦 CA	Replacement 7-Way RV Blade OEM SocketTwist-In	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	55515	🇺🇸 US 🇨🇦 CA	Custom Wiring ConnectorOE 4-Way Flat Fitment notes — CURT 55515 Custom Wiring ConnectorOE 4-Way FlatPlugs Into USCAR Replacement2-Wire System	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	56515	🇺🇸 US 🇨🇦 CA	Custom Wiring Connector5-Way Flat Fitment notes — CURT 56515 Custom Wiring Connector5-Way Flat 2-Wire System	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	57015	🇺🇸 US 🇨🇦 CA	OEM Replacement Dual-Output 7 and 4 Way ConnectorPlugs Into USCAR Socket	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	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 System	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	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: 6.7L L6 DIESEL Turbocharged	55774	🇺🇸 US 🇨🇦 CA	OEM Vehicle to Trailer Connector with Harness7-Way and 4-Way	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	56584	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness5-Way Flat Fitment notes — CURT 56584 Custom Wiring Harness5-Way FlatRetains Use Of 7-Way OEM 2-Wire System5 Way Flat	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	58995	🇺🇸 US 🇨🇦 CA	Towed-Vehicle RV HarnessConnects Towed Vehicle To RV Using A Standard 4-Way Flat Trailer Plug Fitment notes — CURT 58995 Towed-Vehicle RV HarnessConnects Towed Vehicle To RV Using A Standard 4-Way Flat Trailer Plug with LED Tail Lights	View on Amazon
DORMAN Fits: 6.7L L6 DIESEL Turbocharged	924611	🇺🇸 US 🇨🇦 CA		View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68573359AA	🇺🇸 US 🇨🇦 CA	Fits Exc. Surround View Camera SystemExcept Trailer Camera Wiring/No Camera Fitment notes — MOPAR 68573359AA Fits: Exc. Surround View Camera SystemExcept Trailer Camera Wiring/No CameraCrew Cab Wheelbase 2HD 4WD or: Exc. Surround View Camera SystemExcept Trailer Camera Wiring/No CameraCrew Cab8' BoxHD 4WD or: Exc. Surround View Camera SystemExcept Trailer Camera Wiring/No CameraRegular Cab8 Foot BedHD 4WD or: Exc. Surround View Camera SystemExcept Trailer Camera Wiring/No CameraMega CabHD 4WD	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: 6.7L L6 DIESEL Turbocharged	56475	🇺🇸 US 🇨🇦 CA	Custom Wiring Harness Extension Fitment notes — CURT 56475 Custom Wiring Harness Extension 20"Uscar To Uscar	View on Amazon
CURT Fits: 6.7L L6 DIESEL Turbocharged	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: 6.7L L6 DIESEL Turbocharged	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 Fits: 6.7L L6 DIESEL Turbocharged	68550831AA	🇺🇸 US 🇨🇦 CA	automatic Fitment notes — MOPAR 68550831AA automatic Fits: Cab ChassisCummins EngineManual Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cab ChassisCummins EngineManual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD TransHD 4WD or: Cab ChassisCummins EngineManual Shift-On-The-Fly Transfer CaseRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD TransHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68550832AA	🇺🇸 US 🇨🇦 CA	automatic Fitment notes — MOPAR 68550832AA automatic Fits: Cab ChassisCummins EngineRegular Cab Chassis Wheelbase 16 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EngineRegular Cab Chassis Wheelbase 26 Speed Auto Aisin AS69RC HD Trans or: Cab ChassisCummins EngineCrew Cab Wheelbase 46 Speed Auto Aisin AS69RC HD Trans	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68551812AA	🇺🇸 US 🇨🇦 CA	automatic Fitment notes — MOPAR 68551812AA automatic 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	68551813AA	🇺🇸 US 🇨🇦 CA	automatic Fitment notes — MOPAR 68551813AA automatic Fits: Cummins engineManual Shift-On-The-Fly Transfer CaseExcept Underground CalibrationCrew Cab Wheelbase 26 Speed Automatic 68RFE TransmissionHD 4WD or: Cummins EngineManual Shift-On-The-Fly Transfer CaseExcept Underground CalibrationMega Cab6 Speed Automatic 68RFE TransmissionHD 4WD or: Cummins EngineManual Shift-On-The-Fly Transfer CaseExcept Underground CalibrationRegular Cab8 Foot Bed6 Speed Automatic 68RFE TransmissionHD 4WD or: Cummins EngineManual Shift-On-The-Fly Transfer CaseExcept Underground CalibrationCrew Cab Crew Cab8' Box6 Speed Automatic 68RFE TransmissionHD 4WD	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68551814AA	🇺🇸 US 🇨🇦 CA	automatic Fitment notes — MOPAR 68551814AA automatic Fits: Cummins EngineExcept Underground CalibrationCrew Cab Wheelbase 26 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

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.

Variable Power Steering Solenoid Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S3145	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the harness connectors at the Variable Power Steering 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.

Window Motor Connector

Brand	Part Number	Markets	Notes	Buy
STANDARD MOTOR PRODUCTS Fits: 6.7L L6 DIESEL Turbocharged	S1922	🇺🇸 US 🇨🇦 CA	Connector Shape: RectangleWiring Harness Length (mm): 254 Fitment notes — STANDARD MOTOR PRODUCTS S1922 Connector Shape: RectangleWiring Harness Length (mm): 254Front	View on Amazon

This table covers the harness connectors at the Window 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.

Buying Electrical Connector Parts for a 2023 Ram 3500

On this vehicle, the connector system supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.

Match the engine first. Every electrical connector part here is engine-specific; each row shows which engine(s) it fits.
Read the notes on each row for position, trim and spec qualifiers before you order.
Where labor overlaps, use heat-shrink crimp connectors rather than twist-and-tape for any pigtail splice, especially outside the cabin.
Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Trailer Connector and Body Wiring Harness / Connector .

Frequently Asked Questions

How many electrical connector parts fit the 2023 Ram 3500?

Our catalog currently lists 61 electrical connector parts for the 2023 Ram 3500 across 25 subcategories and 5 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 2023 Ram 3500 engines?

Yes. Every electrical connector part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. 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 2023 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 2023 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 2023 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.

Other Parts for the 2023 Ram 3500

Belt Drive Body & Lamp Assembly Brake & Wheel Hub Cooling System Drivetrain Electrical Electrical Bulb & Socket Electrical Switch & Relay Engine Exhaust & Emission Fuel & Air Heat & Air Conditioning Ignition Interior Steering Suspension Automatic Transmission Wheel

Electrical Connector Parts for Other Ram 3500 Years

2026 Ram 3500 2025 Ram 3500 2024 Ram 3500 2022 Ram 3500 2021 Ram 3500 2020 Ram 3500 2019 Ram 3500 2018 Ram 3500 2017 Ram 3500 2016 Ram 3500 2015 Ram 3500 2014 Ram 3500

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.

Published by AutoFactsDB from manufacturer application data. How fitment is matched Report a fitment error