2012 Ram 2500 Electrical Connector Parts

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. Read more

5 A/C Compressor Clutch Coil Connector parts for the 2012 Ram 2500 come from 5 brands — WELLS, ROSTRA, STANDARD MOTOR PRODUCTS and 2 other brands. The "Popular" part is WELLS 1P1711. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

Listed part numbers: WELLS 1P1711, ROSTRA 610040 and STANDARD MOTOR PRODUCTS S2052, plus the other parts above.

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. Read more

3 A/C Refrigerant Pressure Switch Connector parts are listed for the 2012 Ram 2500, from HOLSTEIN, STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2012 2500.

Part numbers include HOLSTEIN 2HAR0060, STANDARD MOTOR PRODUCTS S2316 and WELLS 1P4186.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S2478.

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. Read more

7 ABS Wheel Speed Sensor Connector parts for the 2012 Ram 2500 come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS HP3945. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

Part numbers include STANDARD MOTOR PRODUCTS HP3945, STANDARD MOTOR PRODUCTS S824 and ACDELCO PT2160, among others listed above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1478.

This table covers the harness connectors at the Accessory Power Relay. 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. Read more

This group shows a single part: WELLS 1P1472.

This table covers the harness connectors at the Air Bag Clockspring. 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. Read more

One part is listed for the 2012 Ram 2500 — STANDARD MOTOR PRODUCTS S2468.

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. Read more

4 Air Intake / Charge Temperature Sensor Connector parts are listed for the 2012 Ram 2500, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS. 3 parts fit every engine; the other 1 is engine-specific.

This group includes STANDARD MOTOR PRODUCTS HP4665, STANDARD MOTOR PRODUCTS S2034 and UNITED MOTOR PRODUCTS CON57 and the remaining parts above.

This table covers the harness connectors at the Back Up / Reverse 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. Read more

5 Back Up / Reverse Lamp Connector parts are listed for the 2012 Ram 2500, from STANDARD MOTOR PRODUCTS, WELLS, HOLSTEIN and 1 other brand. WELLS 1P2047 carries the "Popular" badge. All of them fit every engine offered in the 2012 2500.

Listed part numbers: WELLS 1P2047, HOLSTEIN 2HAR0035 and STANDARD MOTOR PRODUCTS HP4347, plus the other parts above.

This table covers the harness connectors at the Back Up / Reverse Lamp 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. Read more

One part is listed for the 2012 Ram 2500 — WELLS 1P3332.

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. Read more

One part is listed for the 2012 Ram 2500 — STANDARD MOTOR PRODUCTS S2883.

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

This group shows a single part: STANDARD MOTOR PRODUCTS S3208.

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. Read more

10 Blower Motor Control Module / Resistor Connector parts are listed for the 2012 Ram 2500, from HOLSTEIN, GPD, STANDARD MOTOR PRODUCTS and 3 other brands. GPD 1712769 carries the "Popular" badge. All of them fit every engine offered in the 2012 2500.

This table covers the harness connectors at the Body Control Module (BCM). 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. Read more

This group shows a single part: WELLS 1P2667.

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. Read more

One part is listed for the 2012 Ram 2500 — MOPAR 68144529AB.

This table covers the harness connectors at the Brake 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. Read more

One part is listed for the 2012 Ram 2500 — STANDARD MOTOR PRODUCTS S1918.

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. Read more

2 Brake Light Switch Connector parts are listed for the 2012 Ram 2500, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2012 2500.

Part numbers include STANDARD MOTOR PRODUCTS S3095 and WELLS 1P2378.

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. Read more

8 Camshaft Position Sensor Connector parts for the 2012 Ram 2500 come from 6 brands — STANDARD MOTOR PRODUCTS, WELLS, WALKER PRODUCTS and 3 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS S2316.

This group includes STANDARD MOTOR PRODUCTS S2316, WALKER PRODUCTS 2701145 and HOLSTEIN 2HAR0060 and the remaining parts above.

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. Read more

6 Crankshaft Position Sensor Connector parts for the 2012 Ram 2500 come from 4 brands — STANDARD MOTOR PRODUCTS, WELLS, HOLSTEIN and 1 other brand.

This group includes HOLSTEIN 2HAR0060, ROSTRA 610139 and STANDARD MOTOR PRODUCTS S2316 and the remaining parts above.

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. Read more

This group shows a single part: WELLS 1P2227.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S2894.

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. Read more

MOPAR supplies the 4 Door Wiring Harness / Connector parts for the 2012 Ram 2500. All of them fit every engine offered in the 2012 2500.

Listed part numbers: MOPAR 68053527AB, MOPAR 68053528AB and MOPAR 68088031AA, plus the other parts above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S2937.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S3273.

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. Read more

3 Engine Block Heater Connector parts for the 2012 Ram 2500 come from 2 brands — MOPAR and STANDARD MOTOR PRODUCTS.

This group includes MOPAR 5148148AB, MOPAR 5148147AC and STANDARD MOTOR PRODUCTS EBH303.

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. Read more

MOPAR supplies the 7 Engine Wiring Harness / Connector parts for the 2012 Ram 2500.

Part numbers include MOPAR 68088223AF, MOPAR 68088224AE and MOPAR 68088224AF, among others listed above.

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. Read more

3 Exhaust Gas Temperature (EGT) Sensor Connector parts for the 2012 Ram 2500 come from 2 brands — STANDARD MOTOR PRODUCTS and WALKER PRODUCTS.

Listed part numbers: STANDARD MOTOR PRODUCTS S3159, STANDARD MOTOR PRODUCTS S2052 and WALKER PRODUCTS 2701132.

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. Read more

6 Fog / Driving Lamp Connector parts for the 2012 Ram 2500 come from 5 brands — STANDARD MOTOR PRODUCTS, ACDELCO, MOPAR and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS HP3970. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

Listed part numbers: STANDARD MOTOR PRODUCTS HP3970, STANDARD MOTOR PRODUCTS S524 and ACDELCO LS255, plus the other parts above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1458.

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. Read more

4 Fuel Injector Connector parts for the 2012 Ram 2500 come from 4 brands — GB REMANUFACTURING, MOPAR, SKP and 1 other brand. 2 parts fit every engine; the other 2 are engine-specific.

Listed part numbers: GB REMANUFACTURING 5191, MOPAR 5175565AC and SKP SKS824, plus the other parts above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1038.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1410.

This table covers the harness connectors at the Headlamp 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. Read more

This group shows a single part: WELLS 1P1612.

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. Read more

7 Headlamp Wiring Harness / Connector parts are listed for the 2012 Ram 2500, from STANDARD MOTOR PRODUCTS, DORMAN and SKP. STANDARD MOTOR PRODUCTS LWH104 carries the "Popular" badge. All of them fit every engine offered in the 2012 2500.

Part numbers include STANDARD MOTOR PRODUCTS LWH104, STANDARD MOTOR PRODUCTS LWH106 and DORMAN 926384, among others listed above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S2478.

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. Read more

4 Ignition Coil Connector parts for the 2012 Ram 2500 come from 4 brands — ROSTRA, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand.

Listed part numbers: ROSTRA 610156, STANDARD MOTOR PRODUCTS S2087 and UNITED MOTOR PRODUCTS CON60, plus the other parts above.

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. Read more

This group shows a single part: MOPAR 68102135AA.

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

One part is listed for the 2012 Ram 2500 — MOPAR 68084403AD.

This table covers the harness connectors at the Instrument Panel Dimmer 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. Read more

One part is listed for the 2012 Ram 2500 — WELLS 1P1612.

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

One part is listed for the 2012 Ram 2500 — STANDARD MOTOR PRODUCTS S3045.

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. Read more

2 Knock / Detonation Sensor Connector parts for the 2012 Ram 2500 come from 2 brands — WALKER PRODUCTS and WELLS. 1 part fits every engine; the other 1 is engine-specific.

This group includes WALKER PRODUCTS 2701034 and WELLS 1P1347.

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

3 Manifold Pressure (MAP) Sensor Connector parts for the 2012 Ram 2500 come from 3 brands — ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.

This group includes ROSTRA 610107, STANDARD MOTOR PRODUCTS S2816 and WELLS 1P1795.

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. Read more

One part is listed for the 2012 Ram 2500 — STANDARD MOTOR PRODUCTS S949.

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. Read more

9 Oil Pressure Sender / Switch Connector parts are listed for the 2012 Ram 2500, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, WELLS and 3 other brands. STANDARD MOTOR PRODUCTS HP3925 carries the "Popular" badge. 5 parts fit every engine; the other 4 are engine-specific.

This group includes STANDARD MOTOR PRODUCTS HP3925, UNITED MOTOR PRODUCTS CON58 and WELLS 1P1080 and the remaining parts above.

This table covers the harness connectors at the Oil Temperature Sender. 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. Read more

One part is listed for the 2012 Ram 2500 — WELLS 1P2227.

This table covers the harness connectors at the Oxygen (O2) 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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1419.

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. Read more

4 Parking / Turn Signal Lamp Connector parts for the 2012 Ram 2500 come from 3 brands — STANDARD MOTOR PRODUCTS, DORMAN and WELLS. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

Listed part numbers: DORMAN 645943, STANDARD MOTOR PRODUCTS S2983 and STANDARD MOTOR PRODUCTS S3076, plus the other parts above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1497.

This table covers the harness connectors at the Parking 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. Read more

2 Parking Brake Switch Connector parts are listed for the 2012 Ram 2500, from FAMOUS BRAND and WELLS. All of them fit every engine offered in the 2012 2500.

Listed part numbers: FAMOUS BRAND PTA3009 and WELLS 1P2226.

This table covers the harness connectors at the Power Window 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. Read more

One part is listed for the 2012 Ram 2500 — STANDARD MOTOR PRODUCTS S2093.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S3023.

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. Read more

METRA supplies both parts for the 2012 Ram 2500. All of them fit every engine offered in the 2012 2500.

Part numbers include METRA AXRSEHCH1 and METRA AXADBXHCH2.

This table covers the Repair harnesses. Read more

2 Repair Harness parts for the 2012 Ram 2500 come from ROSTRA. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

This group includes ROSTRA 3500172 and ROSTRA 3500170.

This table covers the harness connectors at the Seat 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. Read more

2 Seat Heater Connector parts for the 2012 Ram 2500 come from 2 brands — ROSTRA and WELLS. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

Part numbers include ROSTRA 610977 and WELLS 1P2228.

This table covers the harness connectors at the Shift 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. Read more

One part is listed for the 2012 Ram 2500 — STANDARD MOTOR PRODUCTS S1911.

This table covers the harness connectors at the Side Marker 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. Read more

4 Side Marker Lamp Connector parts are listed for the 2012 Ram 2500, from STANDARD MOTOR PRODUCTS, HOLSTEIN and UNITED MOTOR PRODUCTS. All of them fit every engine offered in the 2012 2500.

This group includes HOLSTEIN 2HAR0035, STANDARD MOTOR PRODUCTS HP4347 and STANDARD MOTOR PRODUCTS S1895 and the remaining parts above.

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. Read more

5 Speed Sensor Connector parts are listed for the 2012 Ram 2500, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand. WALKER PRODUCTS 2701055 carries the "Popular" badge. All of them fit every engine offered in the 2012 2500.

Listed part numbers: WALKER PRODUCTS 2701055, STANDARD MOTOR PRODUCTS HP4215 and STANDARD MOTOR PRODUCTS S820, plus the other parts above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S3075.

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. Read more

3 Steering Wheel Connector parts for the 2012 Ram 2500 come from MOPAR. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

Listed part numbers: MOPAR 68163712AB, MOPAR 68071828AA and MOPAR 68163713AC.

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. Read more

One part is listed for the 2012 Ram 2500 — STANDARD MOTOR PRODUCTS S2468.

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. Read more

9 Temperature Sender / Sensor Connector parts for the 2012 Ram 2500 come from 7 brands — STANDARD MOTOR PRODUCTS, SKP, ACDELCO and 4 other brands. The "Popular" part is SKP SKTX3A.

Part numbers include SKP SKTX3A, STANDARD MOTOR PRODUCTS TX3A and ACDELCO PT2386, among others listed above.

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. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S2839.

This table covers the harness connectors at the Throttle Position Sensor (TPS). 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. Read more

2 Throttle Position Sensor (TPS) Connector parts are listed for the 2012 Ram 2500, from DORMAN and WELLS. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: DORMAN 645233 and WELLS 1P2225.

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. Read more

2 Trailer Adapter Connector parts for the 2012 Ram 2500 come from 2 brands — CURT and MOPAR. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: CURT 57101 and MOPAR 56019823.

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. Read more

3 Trailer Brake Switch Connector parts for the 2012 Ram 2500 come from 2 brands — CURT and TEKONSHA. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

This group includes CURT 51438, CURT 51439 and TEKONSHA 3021.

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. Read more

20 Trailer Connector parts are listed for the 2012 Ram 2500, from CURT, MOPAR, STANDARD MOTOR PRODUCTS and 4 other brands. CURT 56415 carries the "Popular" badge. 19 parts fit every engine; the other 1 is engine-specific.

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. Read more

2 Trailer Extension Connector parts for the 2012 Ram 2500 come from CURT. Every part fits both the 5.7L V8 and the 6.7L L6 DIESEL Turbocharged.

Listed part numbers: CURT 56475 and CURT 56070010.