2018 Cadillac XTS Electrical Connector Parts

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

2 A/C Refrigerant Pressure Switch Connector parts for the 2018 Cadillac XTS come from 2 brands — FOUR SEASONS and ROSTRA. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.

This group includes FOUR SEASONS 37236 and ROSTRA 610225.

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

6 ABS Wheel Speed Sensor Connector parts are listed for the 2018 Cadillac XTS, from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 2 other brands. STANDARD MOTOR PRODUCTS HP3945 carries the "Popular" badge. 5 parts fit every engine; the other 1 is engine-specific.

Part numbers include STANDARD MOTOR PRODUCTS HP3945, WELLS 1P1344 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

One part is listed for the 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S1048.

This table covers the relays that control the AIR / Smog Pump circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: STANDARD MOTOR PRODUCTS S1536.

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

This group shows a single part: WELLS 1P3942.

This table covers the harness connectors at the Air Injection 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 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S1536.

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

This group shows a single part: GM GENUINE 84677313.

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

4 Alternator / Generator Connector parts are listed for the 2018 Cadillac XTS, from ACDELCO, GM GENUINE, STANDARD MOTOR PRODUCTS and 1 other brand. All of them fit every engine offered in the 2018 XTS.

This group includes ACDELCO 84941154, GM GENUINE PT2971 and STANDARD MOTOR PRODUCTS S1477 and the remaining parts above.

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

One part is listed for the 2018 Cadillac XTS — ACDELCO PT3773.

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

18 Body Wiring Harness / Connector parts for the 2018 Cadillac XTS come from 3 brands — GM GENUINE, ACDELCO and STANDARD MOTOR PRODUCTS. The "Popular" part is GM GENUINE PT146. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.

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

This group shows a single part: STANDARD MOTOR PRODUCTS S2506.

This table covers the harness connectors at the Cabin 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

This group shows a single part: STANDARD MOTOR PRODUCTS S717.

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

6 Camshaft Position Sensor Connector parts are listed for the 2018 Cadillac XTS, from ACDELCO, STANDARD MOTOR PRODUCTS, DORMAN and 3 other brands. ACDELCO PT3940 carries the "Popular" badge. All of them fit every engine offered in the 2018 XTS.

Part numbers include ACDELCO PT3940, STANDARD MOTOR PRODUCTS S1458 and DORMAN 645325, among others listed 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

2 Crankshaft Position Sensor Connector parts are listed for the 2018 Cadillac XTS, from GM GENUINE and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2018 XTS.

This group includes GM GENUINE PT2106 and STANDARD MOTOR PRODUCTS S1497.

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

14 Engine Wiring Harness / Connector parts for the 2018 Cadillac XTS come from 2 brands — GM GENUINE and ACDELCO. The "Popular" part is GM GENUINE PT2785. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.

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

7 Fuel Injector Connector parts are listed for the 2018 Cadillac XTS, from STANDARD MOTOR PRODUCTS, ACDELCO, GB REMANUFACTURING and 3 other brands. STANDARD MOTOR PRODUCTS HP3945 carries the "Popular" badge. 6 parts fit every engine; the other 1 is engine-specific.

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 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

One part is listed for the 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S2904.

This table covers the harness connectors at the Fuel Tank. 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 Fuel Tank Connector parts are listed for the 2018 Cadillac XTS, from GM GENUINE and STANDARD MOTOR PRODUCTS. GM GENUINE PT2612 carries the "Popular" badge. All of them fit every engine offered in the 2018 XTS.

Listed part numbers: GM GENUINE PT2612, GM GENUINE PT1401 and GM GENUINE PT2648, plus the other parts above.

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

9 Headlamp Wiring Harness / Connector parts for the 2018 Cadillac XTS come from GM GENUINE. The "Popular" part is GM GENUINE PT2648. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.

Listed part numbers: GM GENUINE PT2648, GM GENUINE PT1205 and GM GENUINE PT2792, 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

GM GENUINE supplies the 6 Headliner Connector parts for the 2018 Cadillac XTS. GM GENUINE PT2726 carries the "Popular" badge. All of them fit every engine offered in the 2018 XTS.

Listed part numbers: GM GENUINE PT2726, GM GENUINE PT3724 and GM GENUINE PT3735, plus the other parts above.

This table covers the harness connectors at the Horn. 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 Horn Connector parts for the 2018 Cadillac XTS come from 2 brands — DORMAN and ROSTRA. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.

This group includes DORMAN 645215 and ROSTRA 610059.

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 are listed for the 2018 Cadillac XTS, from GM GENUINE, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand. All of them fit every engine offered in the 2018 XTS.

Listed part numbers: GM GENUINE PT3813, STANDARD MOTOR PRODUCTS S1589 and UNITED MOTOR PRODUCTS CON215, 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

One part is listed for the 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S2425.

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

16 Instrument Panel Connector parts for the 2018 Cadillac XTS come from 2 brands — GM GENUINE and ACDELCO. The "Popular" part is GM GENUINE PT146. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.

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

4 Knock / Detonation Sensor Connector parts are listed for the 2018 Cadillac XTS, from GM GENUINE, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 1 other brand. All of them fit every engine offered in the 2018 XTS.

This group includes GM GENUINE 19301207, STANDARD MOTOR PRODUCTS S934 and UNITED MOTOR PRODUCTS CON191 and the remaining parts above.

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

6 Manifold Pressure (MAP) Sensor Connector parts are listed for the 2018 Cadillac XTS, from STANDARD MOTOR PRODUCTS, DORMAN, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS S2316 carries the "Popular" badge. 3 parts fit every engine; the other 3 are engine-specific.

This group includes STANDARD MOTOR PRODUCTS S2316, DORMAN 645325 and HOLSTEIN 2HAR0060 and the remaining parts above.

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

2 Mass Air Flow (MAF) Sensor Connector parts for the 2018 Cadillac XTS come from 2 brands — ACDELCO and STANDARD MOTOR PRODUCTS. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: ACDELCO PT3940 and STANDARD MOTOR PRODUCTS S2507.

This table covers the harness connectors at the Oil 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

STANDARD MOTOR PRODUCTS supplies both parts for the 2018 Cadillac XTS. All of them fit every engine offered in the 2018 XTS.

Listed part numbers: STANDARD MOTOR PRODUCTS HP4325 and STANDARD MOTOR PRODUCTS S1024.

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

2 Oil Pressure Sender / Switch Connector parts for the 2018 Cadillac XTS come from 2 brands — ACDELCO and DORMAN. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.

Part numbers include ACDELCO PT3940 and DORMAN 645325.

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

GM GENUINE supplies both parts for the 2018 Cadillac XTS. All of them fit every engine offered in the 2018 XTS.

Part numbers include GM GENUINE PT2922 and GM GENUINE PT919.

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

One part is listed for the 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S2269.

This table covers the harness connectors at the Power Brake Booster. 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 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S1445.

This table covers the harness connectors at the Power Steering Assist Motor / 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

2 Power Steering Assist Motor / Module Connector parts for the 2018 Cadillac XTS come from GM GENUINE. 1 part fits every engine; the other 1 is engine-specific.

This group includes GM GENUINE 20916705 and GM GENUINE 23233038.

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

This group shows a single part: STANDARD MOTOR PRODUCTS S1481.

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

One part is listed for the 2018 Cadillac XTS — WELLS 1P3938.

This table covers the harness connectors at the Sunroof / Sunshade 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 2018 Cadillac XTS — WELLS 1P3941.

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

6 Temperature Sender / Sensor Connector parts are listed for the 2018 Cadillac XTS, from GM GENUINE, STANDARD MOTOR PRODUCTS, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS S1686 carries the "Popular" badge. 3 parts fit every engine; the other 3 are engine-specific.

This group includes STANDARD MOTOR PRODUCTS S1686, GM GENUINE PT2790 and GM GENUINE PT2550 and the remaining parts 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

One part is listed for the 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S2409.

This table covers the Trailer Wire converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering. Read more

This group shows a single part: CURT 56236.

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

4 Vapor Canister Connector parts for the 2018 Cadillac XTS come from 3 brands — STANDARD MOTOR PRODUCTS, ACDELCO and HOLSTEIN. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.

Listed part numbers: ACDELCO PT2160, HOLSTEIN 2HAR0035 and STANDARD MOTOR PRODUCTS HP3945, plus the other parts above.

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

One part is listed for the 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S1414.

This table covers the harness connectors at the Vapor Canister Vent 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

4 Vapor Canister Vent Valve / Solenoid Connector parts are listed for the 2018 Cadillac XTS, from STANDARD MOTOR PRODUCTS, ACDELCO and HOLSTEIN. All of them fit every engine offered in the 2018 XTS.

Part numbers include ACDELCO PT2160, HOLSTEIN 2HAR0035 and STANDARD MOTOR PRODUCTS HP3945, among others listed above.

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

2 Variable Valve Timing (VVT) Solenoid Connector parts are listed for the 2018 Cadillac XTS, from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. All of them fit every engine offered in the 2018 XTS.

This group includes STANDARD MOTOR PRODUCTS S2502 and WALKER PRODUCTS 2701102.

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

One part is listed for the 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S2279.

This table covers the harness connectors at the Wiper 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

One part is listed for the 2018 Cadillac XTS — STANDARD MOTOR PRODUCTS S1423.

This table covers the terminals crimped onto a harness lead. Read more

GM GENUINE supplies the 8 Wire Terminal parts for the 2018 Cadillac XTS. GM GENUINE 13582308 carries the "Popular" badge. All of them fit every engine offered in the 2018 XTS.

Part numbers include GM GENUINE 13582308, GM GENUINE 13575812 and GM GENUINE 19351723, among others listed above.