110 Electrical connector parts are listed for the 2016 Cadillac XTS, in 46 part types, covering both the 3.6L V6 and the 3.6L V6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
The connector system on the 2016 Cadillac XTS supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules. The largest groups are ABS Wheel Speed Sensor Connector (8 parts), Fuel Injector Connector (7 parts) and Fuel Injection Pressure Sensor Connector (6 parts). The other 43 part types cover the remaining 89 parts.
The 2016 Cadillac XTS was sold with both the 3.6L V6 and the 3.6L V6 Turbocharged. 87 parts fit every engine; the other 23 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2016 Cadillac XTS electrical connector parts are STANDARD MOTOR PRODUCTS (38 parts), WELLS (28 parts) and GM GENUINE (10 parts), plus 10 more brands.
13 parts on this 2016 Cadillac XTS page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including STANDARD MOTOR PRODUCTS HP3945 (ABS Wheel Speed Sensor Connector) and SKP SKS577 (Camshaft Position Sensor Connector). Click any part number to see every vehicle that part fits.
A/C Refrigerant Pressure Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2016 XTS engines | 37236 | 🇺🇸 US 🇨🇦 CA | 3 Terminal Male | View on Amazon |
| ROSTRA Fits: all 2016 XTS engines | 610225 | 🇺🇸 US 🇨🇦 CA | 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.
2 A/C Refrigerant Pressure Switch Connector parts for the 2016 Cadillac XTS come from 2 brands — FOUR SEASONS and ROSTRA. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.
Part numbers include FOUR SEASONS 37236 and ROSTRA 610225.
ABS Wheel Speed Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 XTS engines | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| WELLS Popular Fits: all 2016 XTS engines | 1P1344 | 🇺🇸 US 🇨🇦 CA | Terminal Type: BladeWiring Harness Length: 8.5 In | View on Amazon |
| ACDELCO Fits: all 2016 XTS engines | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 23278473 | 🇺🇸 US 🇨🇦 CA | FrontVariable Time Damping Chassis (F55) | View on Amazon |
| HOLSTEIN Fits: all 2016 XTS engines | 2HAR0035 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P3377 | 🇺🇸 US 🇨🇦 CA | Includes Butt Connectors | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P3407 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade Pin | View on Amazon |
This table covers the harness connectors at each ABS wheel-speed sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
8 ABS Wheel Speed Sensor Connector parts are listed for the 2016 Cadillac XTS, from WELLS, STANDARD MOTOR PRODUCTS, ACDELCO and 2 other brands. STANDARD MOTOR PRODUCTS HP3945 carries the "Popular" badge. 7 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.
Accelerator Pedal Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1048 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Accelerator Pedal Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S1048.
Air Bag Clockspring Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 XTS engines | 1P3942 | 🇺🇸 US 🇨🇦 CA | with 4 Terminals | View on Amazon |
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.
This group shows a single part: WELLS 1P3942.
Air Bag Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 XTS engines | 1P3978 | 🇺🇸 US 🇨🇦 CA | with 2 Terminals | View on Amazon |
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.
One part is listed for the 2016 Cadillac XTS — WELLS 1P3978.
Air Intake / Charge Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S2894 | 🇺🇸 US 🇨🇦 CA | Air Charge | View on Amazon |
This table covers the harness connectors at the Air Intake / Charge Temperature Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: STANDARD MOTOR PRODUCTS S2894.
Alternator / Generator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1477 | 🇺🇸 US 🇨🇦 CA | without Wiring Harness | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P3341 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Alternator / Generator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
2 Alternator / Generator Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2016 XTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S1477 and WELLS 1P3341.
Brake Fluid Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: all 2016 XTS engines | 610108 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2016 XTS engines | 1P1362 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OblongTerminal Quantity: 2 | View on Amazon |
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.
2 Brake Fluid Level Sensor Connector parts for the 2016 Cadillac XTS come from 2 brands — ROSTRA and WELLS. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.
This group includes ROSTRA 610108 and WELLS 1P1362.
Brake Pedal Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S2506 | 🇺🇸 US 🇨🇦 CA | Terminal Type: Blade | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2506.
Cabin Air Temperature Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S717 | 🇺🇸 US 🇨🇦 CA | Attachment Method: Push OnIncludes Interior Lamp Switch | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S717.
Camshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular Fits: 3.6L V6 | SKS577 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1458 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS Fits: all 2016 XTS engines | 2701089 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2016 XTS engines | 1P3652 | 🇺🇸 US 🇨🇦 CA | Intake | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P2565 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Camshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
5 Camshaft Position Sensor Connector parts are listed for the 2016 Cadillac XTS, from WELLS, SKP, STANDARD MOTOR PRODUCTS and 1 other brand. SKP SKS577 carries the "Popular" badge. 4 parts fit every engine; the other 1 is engine-specific.
Part numbers include SKP SKS577, STANDARD MOTOR PRODUCTS S1458 and WALKER PRODUCTS 2701089, among others listed above.
Crankshaft Position Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1497 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Crankshaft Position Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S1497.
Flex Fuel Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 XTS engines | 1P3387 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Flex Fuel Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
This group shows a single part: WELLS 1P3387.
Fuel Injection Pressure Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | HP4335 | 🇺🇸 US 🇨🇦 CA | Handypack | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 | S577 | 🇺🇸 US 🇨🇦 CA | Wire Gauge (GA): 16 | View on Amazon |
| ACDELCO Fits: 3.6L V6 | PT2308 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ROSTRA Fits: all 2016 XTS engines | 610135 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2016 XTS engines | 1P1020 | 🇺🇸 US 🇨🇦 CA | Located on Fuel Rail | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P3409 | 🇺🇸 US 🇨🇦 CA | Located in Fuel Line | View on Amazon |
This table covers the harness connectors at the Fuel Injection Pressure Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
6 Fuel Injection Pressure Sensor Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 1 other brand. STANDARD MOTOR PRODUCTS HP4335 carries the "Popular" badge. 3 parts fit every engine; the other 3 are engine-specific.
Part numbers include STANDARD MOTOR PRODUCTS HP4335, STANDARD MOTOR PRODUCTS S577 and ACDELCO PT2308, among others listed above.
Fuel Injector Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 XTS engines | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| WELLS Popular Fits: all 2016 XTS engines | 1P1344 | 🇺🇸 US 🇨🇦 CA | Terminal Type: BladeWiring Harness Length: 8.5 In | View on Amazon |
| ACDELCO Fits: all 2016 XTS engines | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| GB REMANUFACTURING Fits: 3.6L V6 | 5191 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HOLSTEIN Fits: all 2016 XTS engines | 2HAR0035 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| SKP Fits: all 2016 XTS engines | SKS824 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | View on Amazon |
This table covers the harness connectors at the Fuel Injector. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
7 Fuel Injector Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO 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, WELLS 1P1344 and ACDELCO PT2160, among others listed above.
Fuel Sending Unit Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S2904 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S2904.
Fuel Tank Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: all 2016 XTS engines | PT2612 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: all 2016 XTS engines | PT2391 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Fits: all 2016 XTS engines | PT2877 | 🇺🇸 US 🇨🇦 CA | Natural4-Way Female | View on Amazon |
| GM GENUINE Fits: all 2016 XTS engines | PT1401 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1243 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleGauge: 18-12 Gauge | View on Amazon |
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.
5 Fuel Tank Connector parts are listed for the 2016 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 2016 XTS.
Listed part numbers: GM GENUINE PT2612, GM GENUINE PT2391 and GM GENUINE PT2877, plus the other parts above.
Headlamp Wiring Harness / Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 3.6L V6 | 84117072 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| ACDELCO Fits: 3.6L V6 | 84117073 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 84117075 | 🇺🇸 US 🇨🇦 CA | LuxuryVariable Effort Power Steering (NXC) | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 84117077 | 🇺🇸 US 🇨🇦 CA | Platinum or PremiumVariable Effort Power Steering (NXC), Collision Imminent Brake Assist Sensor (UGN), 360 View Mono Vision (UVH) | View on Amazon |
| GM GENUINE Fits: 3.6L V6 | 84117078 | 🇺🇸 US 🇨🇦 CA | PremiumVARIABLE EFFORT Power Steering (NXC), 360 View Mono Vision (UVH) | 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.
5 Headlamp Wiring Harness / Connector parts for the 2016 Cadillac XTS come from 2 brands — GM GENUINE and ACDELCO.
This group includes ACDELCO 84117072, ACDELCO 84117073 and GM GENUINE 84117075 and the remaining parts above.
Horn Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2016 XTS engines | 645215 | 🇺🇸 US 🇨🇦 CA | 2 Cavity Female | View on Amazon |
| ROSTRA Fits: all 2016 XTS engines | 610059 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | View on Amazon |
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.
2 Horn Connector parts for the 2016 Cadillac XTS come from 2 brands — DORMAN and ROSTRA. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.
Listed part numbers: DORMAN 645215 and ROSTRA 610059.
Ignition Coil Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1589 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UNITED MOTOR PRODUCTS Fits: all 2016 XTS engines | CON215 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2016 XTS engines | 1P3295 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Ignition Coil. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Ignition Coil Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2016 XTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S1589, UNITED MOTOR PRODUCTS CON215 and WELLS 1P3295.
Ignition Starter Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S2425 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Ignition Starter Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S2425.
Inline Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 XTS engines | 1P3409 | 🇺🇸 US 🇨🇦 CA | To Fuel Tank Harness3 Terminal, Black Housing, Purple Insert, Female Connector | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P3647 | 🇺🇸 US 🇨🇦 CA | Body Harness to Middle Windowwith 8 Terminal(s) | View on Amazon |
This table covers the harness connectors at the Inline. 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.
2 Inline Connector parts for the 2016 Cadillac XTS come from WELLS. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.
Part numbers include WELLS 1P3409 and WELLS 1P3647.
Instrument Panel Cluster Relay Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S3068 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangular | View on Amazon |
This table covers the harness connectors at the Instrument Panel Cluster 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.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S3068.
Knock / Detonation Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S934 | 🇺🇸 US 🇨🇦 CA | Contact Terminal Material: Metal | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2016 XTS engines | CON191 | 🇺🇸 US 🇨🇦 CA | Terminal Gender: Female | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P1571 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Knock / Detonation Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Knock / Detonation Sensor Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2016 XTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S934, UNITED MOTOR PRODUCTS CON191 and WELLS 1P1571.
Manifold Pressure (MAP) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 Turbocharged | S2316 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalNumber of Splice Connectors Included: 3 | View on Amazon |
| DORMAN Fits: all 2016 XTS engines | 645325 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| HOLSTEIN Fits: 3.6L V6 Turbocharged | 2HAR0060 | 🇺🇸 US 🇨🇦 CA | Located on Intake Manifold | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1038 | 🇺🇸 US 🇨🇦 CA | Connector Shape: Rectangle | View on Amazon |
| UNITED MOTOR PRODUCTS Fits: all 2016 XTS engines | CON62 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 3.6L V6 | 1P2218 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
6 Manifold Pressure (MAP) Sensor Connector parts are listed for the 2016 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.
Listed part numbers: STANDARD MOTOR PRODUCTS S2316, DORMAN 645325 and HOLSTEIN 2HAR0060, plus the other parts above.
Mass Air Flow (MAF) Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S2507 | 🇺🇸 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.
This group shows a single part: STANDARD MOTOR PRODUCTS S2507.
Oil Level Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | HP4325 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Rectangle | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1024 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleHarness Length | View on Amazon |
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.
STANDARD MOTOR PRODUCTS supplies both parts for the 2016 Cadillac XTS. All of them fit every engine offered in the 2016 XTS.
Listed part numbers: STANDARD MOTOR PRODUCTS HP4325 and STANDARD MOTOR PRODUCTS S1024.
Oil Pressure Sender / Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: all 2016 XTS engines | 645325 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| ROSTRA Fits: 3.6L V6 Turbocharged | 610271 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: 3.6L V6 Turbocharged | 1P1534 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Oil Pressure Sender / Switch. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
3 Oil Pressure Sender / Switch Connector parts for the 2016 Cadillac XTS come from 3 brands — DORMAN, ROSTRA and WELLS. 1 part fits every engine; the other 2 are engine-specific.
Part numbers include DORMAN 645325, ROSTRA 610271 and WELLS 1P1534.
Park Assist (PAS) Camera Module Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 XTS engines | 1P4156 | 🇺🇸 US 🇨🇦 CA | Rearwith 8 Terminals | View on Amazon |
This table covers the harness connectors at the Park Assist (PAS) Camera 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.
This group shows a single part: WELLS 1P4156.
Parking Aid Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S2269 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleNumber of Splice Connectors Included: 3 | 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.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S2269.
Power Brake Booster Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1445 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Length (In): 17Wiring Harness Length (mm): 431.8 | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P4099 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
2 Power Brake Booster Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2016 XTS.
This group includes STANDARD MOTOR PRODUCTS S1445 and WELLS 1P4099.
Power Steering Assist Motor / Module Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 3.6L V6 | 20916705 | 🇺🇸 US 🇨🇦 CA | Luxury or Platinum or PremiumVariable Effort Power Steering (NXC) | View on Amazon |
| GM GENUINE Fits: all 2016 XTS engines | 23233038 | 🇺🇸 US 🇨🇦 CA | CODE G5YKBelt Drive Electric Steering (NJ2) | View on Amazon |
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.
2 Power Steering Assist Motor / Module Connector parts for the 2016 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.
Power Window Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1481 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
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.
This group shows a single part: STANDARD MOTOR PRODUCTS S1481.
Seat Belt Pretensioner Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 XTS engines | 1P3978 | 🇺🇸 US 🇨🇦 CA | with 2 Terminals | View on Amazon |
This table covers the harness connectors at the Seat Belt Pretensioner. 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.
One part is listed for the 2016 Cadillac XTS — WELLS 1P3978.
Speaker Amplifier Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 XTS engines | 1P3938 | 🇺🇸 US 🇨🇦 CA | with 8 Terminals | View on Amazon |
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.
One part is listed for the 2016 Cadillac XTS — WELLS 1P3938.
Speaker Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: all 2016 XTS engines | PT2915 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
This table covers the harness connectors at the Speaker. 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.
This group shows a single part: ACDELCO PT2915.
Starter Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1029 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Starter Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S1029.
Sunroof / Sunshade Switch Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2016 XTS engines | 1P3941 | 🇺🇸 US 🇨🇦 CA | with 6 Terminal(s)Sunshade | View on Amazon |
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.
One part is listed for the 2016 Cadillac XTS — WELLS 1P3941.
Temperature Sender / Sensor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 XTS engines | S1686 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalBlack | View on Amazon |
| HOLSTEIN Fits: all 2016 XTS engines | 2HAR0036 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| ULTRA-POWER Fits: 3.6L V6 | 2111500 | 🇺🇸 US 🇨🇦 CA | Coolant Temperature Sensor Connector | View on Amazon |
| WALKER PRODUCTS Fits: 3.6L V6 | 2111500 | 🇺🇸 US 🇨🇦 CA | Terminal Quantity: 2Includes O-Ring | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P3395 | 🇺🇸 US 🇨🇦 CA | Located on Thermostat Housing | View on Amazon |
This table covers the harness connectors at the Temperature Sender / Sensor. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
5 Temperature Sender / Sensor Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS, HOLSTEIN, ULTRA-POWER and 2 other brands. STANDARD MOTOR PRODUCTS S1686 carries the "Popular" badge. 3 parts fit every engine; the other 2 are engine-specific.
Part numbers include STANDARD MOTOR PRODUCTS S1686, HOLSTEIN 2HAR0036 and ULTRA-POWER 2111500, among others listed above.
Throttle Control Actuator Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S2409 | 🇺🇸 US 🇨🇦 CA | Gender: MaleHarness Length | View on Amazon |
This table covers the harness connectors at the Throttle Control Actuator. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S2409.
Vapor Canister Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 XTS engines | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| ACDELCO Fits: all 2016 XTS engines | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| HOLSTEIN Fits: all 2016 XTS engines | 2HAR0035 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P1344 | 🇺🇸 US 🇨🇦 CA | Terminal Type: BladeWiring Harness Length: 8.5 In | View on Amazon |
This table covers the harness connectors at the Vapor Canister. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
5 Vapor Canister Connector parts for the 2016 Cadillac XTS come from 4 brands — STANDARD MOTOR PRODUCTS, ACDELCO, HOLSTEIN and 1 other brand. The "Popular" part is STANDARD MOTOR PRODUCTS HP3945. Every part fits both the 3.6L V6 and the 3.6L V6 Turbocharged.
Part numbers include STANDARD MOTOR PRODUCTS HP3945, ACDELCO PT2160 and HOLSTEIN 2HAR0035, among others listed above.
Vapor Canister Purge Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: all 2016 XTS engines | S1414 | 🇺🇸 US 🇨🇦 CA | Connector Shape: RectangleTerminal Type: Blade | View on Amazon |
| WELLS Fits: all 2016 XTS engines | 1P2045 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Length: 17.0 In | View on Amazon |
This table covers the harness connectors at the Vapor Canister Purge Valve / Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
2 Vapor Canister Purge Valve / Solenoid Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS and WELLS. All of them fit every engine offered in the 2016 XTS.
Listed part numbers: STANDARD MOTOR PRODUCTS S1414 and WELLS 1P2045.
Vapor Canister Vent Valve / Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 XTS engines | HP3945 | 🇺🇸 US 🇨🇦 CA | HandypackConnector Shape: Square | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular Fits: all 2016 XTS engines | S824 | 🇺🇸 US 🇨🇦 CA | Connector Shape: SquareHarness Length | View on Amazon |
| ACDELCO Fits: all 2016 XTS engines | PT2160 | 🇺🇸 US 🇨🇦 CA | GoldShape: Square | View on Amazon |
| HOLSTEIN Fits: all 2016 XTS engines | 2HAR0035 | 🇺🇸 US 🇨🇦 CA | Includes ABS Wheel Speed Sensor Wire Harness | View on Amazon |
| ROSTRA Fits: all 2016 XTS engines | 610294 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS Fits: all 2016 XTS engines | 1P2038 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
6 Vapor Canister Vent Valve / Solenoid Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS, ACDELCO, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS HP3945 carries the "Popular" badge. All of them fit every engine offered in the 2016 XTS.
Part numbers include STANDARD MOTOR PRODUCTS HP3945, STANDARD MOTOR PRODUCTS S824 and ACDELCO PT2160, among others listed above.
Variable Valve Timing (VVT) Solenoid Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged | S1716 | 🇺🇸 US 🇨🇦 CA | Connector Shape: OvalWire Gauge (GA): 14 | View on Amazon |
| WALKER PRODUCTS Fits: 3.6L V6 Turbocharged | 2701102 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the harness connectors at the Variable Valve Timing (VVT) Solenoid. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
2 Variable Valve Timing (VVT) Solenoid Connector parts are listed for the 2016 Cadillac XTS, from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS S1716 and WALKER PRODUCTS 2701102.
Washer Pump Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged | S2279 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
This table covers the harness connectors at the Washer Pump. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S2279.
Wiper Motor Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged | S1423 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
One part is listed for the 2016 Cadillac XTS — STANDARD MOTOR PRODUCTS S1423.
Buying Electrical Connector Parts for a 2016 Cadillac XTS
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. Some electrical connector parts fit every engine; others are 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: ABS Wheel Speed Sensor Connector and Fuel Injector Connector .
Frequently Asked Questions
How many electrical connector parts fit the 2016 Cadillac XTS?
Our catalog currently lists 110 electrical connector parts for the 2016 Cadillac XTS across 46 subcategories and 13 brands, covering both the 3.6L V6 and the 3.6L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical connector parts differ between 2016 Cadillac XTS engines?
Some do. 87 parts fit every engine; the other 23 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical connector problems on a 2016 Cadillac XTS?
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 2016 Cadillac XTS 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 2016 Cadillac XTS?
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 2016 Cadillac XTS
Electrical Connector Parts for Other Cadillac XTS Years
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