2012 Cadillac CTS Electrical Connector Parts

This table covers the harness connectors at the 4WD 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: ACDELCO PT1642.

This table covers the harness connectors at the 4WD 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 4WD Switch Connector parts are listed for the 2012 Cadillac CTS, from ACDELCO and GM GENUINE. All of them fit every engine offered in the 2012 CTS.

Listed part numbers: ACDELCO PT1642 and GM GENUINE PT3831.

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

4 A/C Compressor Clutch Coil Connector parts for the 2012 Cadillac CTS come from 4 brands — GM GENUINE, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

This group includes GM GENUINE PT1511, ROSTRA 610599 and STANDARD MOTOR PRODUCTS S1263 and the remaining parts above.

This table covers the harness connectors at the A/C Condenser Fan 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

4 A/C Condenser Fan Switch Connector parts are listed for the 2012 Cadillac CTS, from FOUR SEASONS, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand. All of them fit every engine offered in the 2012 CTS.

This group includes FOUR SEASONS 37227, ROSTRA 610397 and STANDARD MOTOR PRODUCTS S536 and the remaining 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

17 A/C Refrigerant Pressure Switch Connector parts are listed for the 2012 Cadillac CTS, from FOUR SEASONS, ROSTRA, STANDARD MOTOR PRODUCTS and 2 other brands. FOUR SEASONS 37227 carries the "Popular" badge. All of them fit every engine offered in the 2012 CTS.

This table covers the harness connectors at the ABS 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

One part is listed for the 2012 Cadillac CTS — GM GENUINE 19178085.

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

5 ABS Wheel Speed Sensor Connector parts for the 2012 Cadillac CTS come from 4 brands — STANDARD MOTOR PRODUCTS, ACDELCO, HOLSTEIN and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS HP3945. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

This group includes STANDARD MOTOR PRODUCTS HP3945, ACDELCO PT2160 and HOLSTEIN 2HAR0035 and the remaining parts 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

4 Accelerator Pedal Position Sensor Connector parts for the 2012 Cadillac CTS come from 4 brands — GM GENUINE, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

This group includes GM GENUINE PT2712, STANDARD MOTOR PRODUCTS S1479 and UNITED MOTOR PRODUCTS CON23 and the remaining parts above.

This table covers the harness connectors at the Accessory Power Outlet. 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 Accessory Power Outlet Connector parts for the 2012 Cadillac CTS come from 3 brands — GM GENUINE, ROSTRA and WELLS. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

Listed part numbers: GM GENUINE PT3865, ROSTRA 610518 and WELLS 1P1919.

This table covers the harness connectors at the Air Bag. 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: GM GENUINE PT2792.

This table covers the harness connectors at the Air Bag 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

3 Air Bag Module Connector parts for the 2012 Cadillac CTS come from 2 brands — WELLS and ROSTRA. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

This group includes ROSTRA 610987, WELLS 1P1932 and WELLS 1P3923.

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

5 Air Intake / Charge Temperature Sensor Connector parts are listed for the 2012 Cadillac CTS, from STANDARD MOTOR PRODUCTS, ACDELCO, GM GENUINE and 1 other brand. STANDARD MOTOR PRODUCTS HP4420 carries the "Popular" badge. 1 part fits every engine; the other 4 are engine-specific.

Part numbers include STANDARD MOTOR PRODUCTS HP4420, ACDELCO PT2301 and GM GENUINE PT3834, among others listed above.

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. Read more

5 Alternator / Generator Connector parts for the 2012 Cadillac CTS come from 5 brands — GM GENUINE, ACDELCO, ROSTRA and 2 other brands. The "Popular" part is GM GENUINE PT2971. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

Part numbers include GM GENUINE PT2971, ACDELCO 84941154 and ROSTRA 610177, among others listed above.

This table covers the harness connectors at the Ambient Air Quality 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 Ambient Air Quality Sensor Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE and WELLS. All of them fit every engine offered in the 2012 CTS.

This group includes GM GENUINE PT2692 and WELLS 1P2032.

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. Read more

2 Ambient Air Temperature Sensor Connector parts for the 2012 Cadillac CTS come from 2 brands — GM GENUINE and WELLS. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

This group includes GM GENUINE PT248 and WELLS 1P1018.

This table covers the harness connectors at the Anti-Theft 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

5 Anti-Theft Control Module Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE, WELLS and ACDELCO. GM GENUINE PT3821 carries the "Popular" badge. All of them fit every engine offered in the 2012 CTS.

This group includes GM GENUINE PT3821, ACDELCO PT2771 and GM GENUINE 13314098 and the remaining 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

3 Back Up / Reverse Lamp Switch Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE, ROSTRA and WELLS. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include GM GENUINE PT723, ROSTRA 610857 and WELLS 1P1853.

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 Cadillac CTS — GM GENUINE PT3043.

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. Read more

5 Battery Current Sensor Connector parts for the 2012 Cadillac CTS come from 5 brands — STANDARD MOTOR PRODUCTS, DORMAN, GM GENUINE and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS S1025. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

Part numbers include STANDARD MOTOR PRODUCTS S1025, DORMAN 645513 and GM GENUINE PT3855, among others listed above.

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

2 Blower Motor Connector parts for the 2012 Cadillac CTS come from 2 brands — GM GENUINE and WELLS. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

Listed part numbers: GM GENUINE PT3856 and WELLS 1P2711.

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

13 Blower Motor Control Module / Resistor Connector parts are listed for the 2012 Cadillac CTS, from STANDARD MOTOR PRODUCTS, WELLS, FOUR SEASONS and 4 other brands. GPD 1713422 carries the "Popular" badge. All of them fit every engine offered in the 2012 CTS.

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

9 Body Wiring Harness / Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE, WELLS and ROSTRA. GM GENUINE PT2629 carries the "Popular" badge. All of them fit every engine offered in the 2012 CTS.

Listed part numbers: GM GENUINE PT2629, ROSTRA 610857 and GM GENUINE 87815146, plus the other parts above.

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

5 Brake Fluid Level Sensor Connector parts are listed for the 2012 Cadillac CTS, from STANDARD MOTOR PRODUCTS, ACDELCO, GM GENUINE and 1 other brand. STANDARD MOTOR PRODUCTS TX3A carries the "Popular" badge. All of them fit every engine offered in the 2012 CTS.

This group includes STANDARD MOTOR PRODUCTS TX3A, ACDELCO PT2386 and GM GENUINE PT1798 and the remaining parts above.

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

One part is listed for the 2012 Cadillac CTS — STANDARD MOTOR PRODUCTS S2374.

This table covers the harness connectors at the Brake Pedal. 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 Cadillac CTS — STANDARD MOTOR PRODUCTS S2374.

This table covers the harness connectors at the Brake 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: GM GENUINE PT3735.

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

14 Camshaft Position Sensor Connector parts for the 2012 Cadillac CTS come from 7 brands — WELLS, ROSTRA, GM GENUINE and 4 other brands. The "Popular" part is DORMAN 645526. 1 part fits every engine; the other 13 are engine-specific.

This table covers the wiring-harness connectors at the Chassis. 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 Cadillac CTS — GM GENUINE PT2510.

This table covers the harness connectors at the Cigarette Lighter. 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 Cigarette Lighter Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE, ROSTRA and WELLS. All of them fit every engine offered in the 2012 CTS.

Part numbers include GM GENUINE PT3865, ROSTRA 610518 and WELLS 1P1919.

This table covers the harness connectors at the Climate Control Sun 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: GM GENUINE PT2230.

This table covers the harness connectors at the Clutch Pedal Position / Starter Safety 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: GM GENUINE PT3837.

This table covers the harness connectors at the Communication Interface Module (VCIM). 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 Communication Interface Module (VCIM) Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE and WELLS. All of them fit every engine offered in the 2012 CTS.

Listed part numbers: GM GENUINE PT1502, GM GENUINE PT1404 and WELLS 1P2084, plus the other parts above.

This table covers the harness connectors at the Compass. 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: GM GENUINE PT2779.

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

10 Crankshaft Position Sensor Connector parts for the 2012 Cadillac CTS come from 6 brands — STANDARD MOTOR PRODUCTS, GM GENUINE, WELLS and 3 other brands. The "Popular" part is GM GENUINE PT1799.

This table covers the harness connectors at the Differential Oil 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

One part is listed for the 2012 Cadillac CTS — GM GENUINE PT1205.

This table covers the harness connectors at the Dome 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

One part is listed for the 2012 Cadillac CTS — GM GENUINE PT2556.

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

2 Door Lock Actuator Connector parts for the 2012 Cadillac CTS come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

Part numbers include GM GENUINE 88952463 and STANDARD MOTOR PRODUCTS S1495.

This table covers the harness connectors at the Door Lock 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 Cadillac CTS — STANDARD MOTOR PRODUCTS S1700.

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

GM GENUINE supplies both parts for the 2012 Cadillac CTS. All of them fit every engine offered in the 2012 CTS.

Listed part numbers: GM GENUINE 13513605 and GM GENUINE 84766434.

This table covers the harness connectors at the Driver Information Display 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

4 Driver Information Display Module Connector parts for the 2012 Cadillac CTS come from 2 brands — GM GENUINE and WELLS. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

Part numbers include GM GENUINE PT3779, GM GENUINE PT3667 and GM GENUINE 15136073, among others listed above.

This table covers the harness connectors at the Driver Information Display 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: GM GENUINE PT2201.

This table covers the harness connectors at the Electronic Suspension 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

This group shows a single part: GM GENUINE 89047377.

This table covers the harness connectors at the Engine Control Module (ECM Computer). 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: GM GENUINE 13574782.

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

4 Engine Wiring Harness / Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE and WELLS. 2 parts fit every engine; the other 2 are engine-specific.

Part numbers include GM GENUINE 19180282, GM GENUINE PT2629 and GM GENUINE 87815146, among others listed above.

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 Cadillac CTS come from 5 brands — STANDARD MOTOR PRODUCTS, ACDELCO, DORMAN and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS HP3835. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

This group includes STANDARD MOTOR PRODUCTS HP3835, STANDARD MOTOR PRODUCTS S553 and ACDELCO PT2298 and the remaining 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

8 Fuel Injection Pressure Sensor Connector parts for the 2012 Cadillac CTS come from 5 brands — STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS S577. 5 parts fit every engine; the other 3 are engine-specific.

This group includes STANDARD MOTOR PRODUCTS S577, STANDARD MOTOR PRODUCTS S1713 and ACDELCO PT2308 and the remaining parts above.

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

8 Fuel Injector Connector parts for the 2012 Cadillac CTS come from 7 brands — STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 4 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS HP3945. 7 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: STANDARD MOTOR PRODUCTS HP3945, WELLS 1P1344 and ACDELCO PT2160, plus the other parts above.

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

2 Fuel Sending Unit Connector parts for the 2012 Cadillac CTS come from 2 brands — GM GENUINE and STANDARD MOTOR PRODUCTS. 1 part fits every engine; the other 1 is engine-specific.

This group includes GM GENUINE 89047377 and STANDARD MOTOR PRODUCTS S2904.

This table covers the harness connectors at the Fuel Shutoff 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: GM GENUINE PT2183.

This table covers the harness connectors at the Fuel Tank 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

3 Fuel Tank Pressure Sensor Connector parts are listed for the 2012 Cadillac CTS, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2012 CTS.

This group includes ROSTRA 610022, STANDARD MOTOR PRODUCTS S1445 and WELLS 1P1475.

This table covers the harness connectors at the Garage Door Opener. 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: GM GENUINE PT2503.

This table covers the harness connectors at the Glove Box 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

This group shows a single part: GM GENUINE PT146.

This table covers the harness connectors at the Glove Box 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

This group shows a single part: GM GENUINE PT313.

This table covers the harness connectors at the Headlamp 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

3 Headlamp Dimmer Switch Connector parts for the 2012 Cadillac CTS come from 3 brands — GM GENUINE, ROSTRA and WELLS. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

Listed part numbers: GM GENUINE PT276, ROSTRA 610637 and WELLS 1P2207.

This table covers the harness connectors at the Headlamp 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

This group shows a single part: GM GENUINE PT1657.

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

This group shows a single part: GM GENUINE PT2830.

This table covers the harness connectors at the Headlamp Washer 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

One part is listed for the 2012 Cadillac CTS — GM GENUINE PT1205.

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

4 Headlamp Wiring Harness / Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2012 CTS.

Listed part numbers: GM GENUINE 19180282, GM GENUINE PT2623 and STANDARD MOTOR PRODUCTS LWH104, plus the other parts above.

This table covers the harness connectors at the Headliner. 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: GM GENUINE PT3887.

This table covers the harness connectors at the Hood Ajar Indicator 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 Hood Ajar Indicator Switch Connector parts are listed for the 2012 Cadillac CTS, from GM GENUINE, ROSTRA and WELLS. All of them fit every engine offered in the 2012 CTS.

This group includes GM GENUINE PT3855, ROSTRA 610106 and WELLS 1P2388.

This table covers the harness connectors at the Hood Hinge 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

2 Hood Hinge Actuator Connector parts for the 2012 Cadillac CTS come from 2 brands — ROSTRA and WELLS. Every part fits all 3 engine options (3.0L V6, 3.6L V6 and 6.2L V8 Supercharged).

Part numbers include ROSTRA 610970 and WELLS 1P1951.