2016 Cadillac XTS Electrical Switch & Relay Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

The 2016 Cadillac XTS has 141 electrical switch & relay parts with verified fitment on this page — 47 part types and 13 brands, covering both the 3.6L V6 and the 3.6L V6 Turbocharged. Each part includes a manufacturer part number and application notes.

The switch and relay system on the 2016 Cadillac XTS covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Radiator Fan Relay (11 parts), Instrument Panel Dimmer Switch (9 parts) and Oil Pressure Sender / Switch (7 parts). The other 44 part types cover the remaining 114 parts.

A/C Clutch Switch

Brand Part Number Markets Notes Buy
UAC Fits: 3.6L V6 Turbocharged SW1061C
🇺🇸 US 🇨🇦 CA
Switch
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This table covers the A/C Clutch switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

A/C Compressor Relay

Brand Part Number Markets Notes Buy
FOUR SEASONS Fits: 3.6L V6 Turbocharged 36008
🇺🇸 US 🇨🇦 CA
Compressor Clutch Relay
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GM GENUINE Fits: 3.6L V6 Turbocharged 13500114
🇺🇸 US 🇨🇦 CA
Gray35AMP
Fitment notes — GM GENUINE 13500114
Gray35AMP4-TerminalHigh Current MicroControl Relay
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ROSTRA Fits: 3.6L V6 Turbocharged 600001
🇺🇸 US 🇨🇦 CA
Amperage Rating: 25 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600001
Amperage Rating: 25 AmpereConnector Shape: RectangleTerminal Type: Blade Pin
Control Relay
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WELLS Fits: 3.6L V6 Turbocharged 1R1056
🇺🇸 US 🇨🇦 CA
Amperage Rating: 25 AConnector Gender: Male
Fitment notes — WELLS 1R1056
Amperage Rating: 25 AConnector Gender: MaleMounting Hardware Included: No
Control Relay
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This table covers the relays that control the A/C Compressor 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.

A/C Refrigerant Pressure Switch

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.6L V6 Turbocharged 1551343
🇺🇸 US 🇨🇦 CA
without Circuit
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FOUR SEASONS Fits: 3.6L V6 Turbocharged 20915
🇺🇸 US 🇨🇦 CA
Pressure Switch
Fitment notes — FOUR SEASONS 20915
Pressure Switch
Transducer
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GPD Fits: 3.6L V6 Turbocharged 1711513
🇺🇸 US 🇨🇦 CA
Pressure Transducer
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UAC Fits: 3.6L V6 Turbocharged SW10093C
🇺🇸 US 🇨🇦 CA
Pressure Transducer
Fitment notes — UAC SW10093C
Pressure Transducer
Transducer
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WELLS Fits: 3.6L V6 Turbocharged 1S8929
🇺🇸 US 🇨🇦 CA
Clutch Cycle and Fan ControlCut-Off
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This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

A/C System Relay

Brand Part Number Markets Notes Buy
UAC Fits: 3.6L V6 Turbocharged RE0959C
🇺🇸 US 🇨🇦 CA
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This table covers the relays that control the A/C System 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.

ABS Relay

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 19303153
🇺🇸 US 🇨🇦 CA
Gray6.3MM Terminal
Fitment notes — GM GENUINE 19303153
Gray6.3MM Terminal4-Term,SPST Mini ISO
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This table covers the relays that control the ABS 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.

Accessory Power Relay

Brand Part Number Markets Notes Buy
HELLA Fits: 3.6L V6 Turbocharged 933332571
🇺🇸 US 🇨🇦 CA
30 Amps4-Pin Connector
Fitment notes — HELLA 933332571
30 Amps4-Pin ConnectorColor: Black or Gray
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ROSTRA Fits: 3.6L V6 Turbocharged 600096
🇺🇸 US 🇨🇦 CA
Squarewith 4 Blade Terminals
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This table covers the relays that control the Accessory Power 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.

AIR / Smog Pump Relay

Brand Part Number Markets Notes Buy
ROSTRA Fits: 3.6L V6 Turbocharged 600132
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 3.6L V6 Turbocharged 1R3325
🇺🇸 US 🇨🇦 CA
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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.

Air Injection Relay

Brand Part Number Markets Notes Buy
WELLS Fits: 3.6L V6 Turbocharged 1R3325
🇺🇸 US 🇨🇦 CA
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This table covers the relays that control the Air Injection 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.

Anti-Theft Relay

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 13500114
🇺🇸 US 🇨🇦 CA
Fits Gray35AMP
Fitment notes — GM GENUINE 13500114
Fits:
Gray35AMP4-TerminalHigh Current Microor GrayBelt Drive Electric Steering (NJ2)35AMP4-TerminalHigh Current Micro
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WELLS Fits: 3.6L V6 Turbocharged 1R1056
🇺🇸 US 🇨🇦 CA
Amperage Rating: 25 AConnector Gender: Male
Fitment notes — WELLS 1R1056
Amperage Rating: 25 AConnector Gender: MaleMounting Hardware Included: No
Steering Wheel Theft Deterrent Lock
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This table covers the relays that control the Anti-Theft 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.

Blower Motor Relay

Brand Part Number Markets Notes Buy
BOSCH Fits: 3.6L V6 Turbocharged 0332201107
🇺🇸 US 🇨🇦 CA
Multi-Purpose RelaySwitch
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HELLA Fits: 3.6L V6 Turbocharged 933332571
🇺🇸 US 🇨🇦 CA
30 Amps4-Pin Connector
Fitment notes — HELLA 933332571
30 Amps4-Pin ConnectorColor: Black or Gray
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HELLA Fits: 3.6L V6 Turbocharged H41410081
🇺🇸 US 🇨🇦 CA
5-Pin ConnectorColor: Black
Fitment notes — HELLA H41410081
5-Pin ConnectorColor: Black
with Holder
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This table covers the relays that control the Blower Motor 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.

Brake Light Switch

Brand Part Number Markets Notes Buy
VEMO Fits: 3.6L V6 Turbocharged V33730097
🇺🇸 US 🇨🇦 CA
Pedal Travel Sensorwith Pedal Position Sensor
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This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Cruise Control Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 19436096
🇺🇸 US 🇨🇦 CA
Fits LeftManual Shift Automatic Trans. (KB7),Adaptive Cruise Control with Auto Stop/Go (KSG),Heated Leather Steering Wheel (NR7),Forward Collision Alert (UEU),Heated Steering Wheel Switch (UVD),Remote Steering Wheel Radio Controls (W1Y),Interior Trim Color (4B8)
Fitment notes — GM GENUINE 19436096
Fits:
LeftManual Shift Automatic Trans. (KB7),Adaptive Cruise Control with Auto Stop/Go (KSG),Heated Leather Steering Wheel (NR7),Forward Collision Alert (UEU),Heated Steering Wheel Switch (UVD),Remote Steering Wheel Radio Controls (W1Y),Interior Trim Color (4B8)Labeled 84112893
or:
LeftManual Shift Automatic Transmission (KB7), Cruise Control (K34), Heated Leather Steering Wheel (NR7), Forward Collision Alert (UEU), Heated Steering Wheel Switch (UVD), Remote Steering Wheel Radio Controls (W1Y), Interior Trim Color (4B8), Interior Trim Color (4CY)Labeled 84112893
or:
LeftVsport PlatinumManual Shift Automatic Trans. (KB7),Adaptive Cruise Control with Auto Stop/Go (KSG),Heated Leather Steering Wheel (NR7),Forward Collision Alert (UEU),Heated Steering Wheel Switch (UVD),Remote Steering Wheel Radio Controls (W1Y),Interior Trim Color (4CY),Interior TRILabeled 84112893
or:
LeftVsport PlatinumManual Shift Automatic Trans. (KB7),Cruise Control (K34),Heated Leather Steering Wheel (NR7),F
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STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged CCA1380
🇺🇸 US 🇨🇦 CA
without Heated Steering Wheelwithout Collision Mitigation Braking System
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WELLS Fits: 3.6L V6 Turbocharged 1S15946
🇺🇸 US 🇨🇦 CA
without Collision Avoidance SystemBlack
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WELLS Fits: 3.6L V6 Turbocharged 1S15938
🇺🇸 US 🇨🇦 CA
with Collision Avoidance SystemBlack
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This table covers the Cruise Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Defroster Relay

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 19303153
🇺🇸 US 🇨🇦 CA
Gray6.3MM Terminal
Fitment notes — GM GENUINE 19303153
Gray6.3MM Terminal4-Term,SPST Mini ISO
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This table covers the relays that control the Defroster 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.

Dimmer Switch

Economy

Brand Part Number Markets Notes Buy
SHEE-MAR Popular Fits: 3.6L V6 Turbocharged SM1237
🇺🇸 US 🇨🇦 CA
without Rear Fog LampsOE Switch
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SHEE-MAR Popular Fits: 3.6L V6 Turbocharged SM1238
🇺🇸 US 🇨🇦 CA
without Rear Fog LampsLabeled 23264891
Fitment notes — SHEE-MAR SM1238
without Rear Fog LampsLabeled 23264891Dimmer, Headlamp, Multi Function, Turn Signal
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Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23147083
🇺🇸 US 🇨🇦 CA
SHALEInterior Trim Color (4B8)
Fitment notes — GM GENUINE 23147083
SHALEInterior Trim Color (4B8)Exc. Head Up Display (UV6)
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STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged CBS2425
🇺🇸 US 🇨🇦 CA
with automatic headlights
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STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged CBS2257
🇺🇸 US 🇨🇦 CA
with Automatic Headlightswith Original Equipment (OE) # 22850675
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WELLS Fits: 3.6L V6 Turbocharged 1S14959
🇺🇸 US 🇨🇦 CA
View on
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This table covers the dimmer switches that select headlamp high and low beam. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Dome Light Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 22888096
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 22888096
Black
Vsport PremiumCenter
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This table covers the Dome Light switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Door Lock Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 84487013
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 84487013
Black
Fits:
RightVsport PremiumDOOR PANEL Trim Color (1AB),DR PANEL Trim Color (1AR),DOOR Trim Color (1BE)
or:
RightVsport PlatinumDoor Trim Panel Color (1CR),DOOR PANEL Trim Color (1CS)
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This table covers the Door Lock switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Fuel Pump / Circuit Opening Relay

Brand Part Number Markets Notes Buy
HELLA Fits: 3.6L V6 Turbocharged 933332571
🇺🇸 US 🇨🇦 CA
30 Amps4-Pin Connector
Fitment notes — HELLA 933332571
30 Amps4-Pin ConnectorColor: Black or Gray
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This table covers the relays that control the Fuel Pump / Circuit Opening 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.

Glove Box Lamp Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 01642528
🇺🇸 US 🇨🇦 CA
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This table covers the Glove Box Lamp switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Hands Free Calling Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23301873
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 23301873
Black
3 Button
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This table covers the Hands Free Calling switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Hazard Warning Switch

Brand Part Number Markets Notes Buy
WELLS Popular Fits: 3.6L V6 Turbocharged 1S13283
🇺🇸 US 🇨🇦 CA
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GM GENUINE Fits: 3.6L V6 Turbocharged 84144313
🇺🇸 US 🇨🇦 CA
Piano BlackExcept Lane Departure Warning Indicator (UFL), Lane Keep Assist Sensor Indicator (UHX)
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GM GENUINE Fits: 3.6L V6 Turbocharged 84144311
🇺🇸 US 🇨🇦 CA
Piano BlackLane Departure Warning Indicator (UFL)
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STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged HZS301
🇺🇸 US 🇨🇦 CA
without Lane Departure Warning System
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STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged HZS282
🇺🇸 US 🇨🇦 CA
with Lane Departure Warning System
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This table covers the Hazard Warning switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Headlamp Relay

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged D1780C
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE D1780C
Black
Low Beam35AMP5 TERMINALHIGH CURRENT MICRO 280
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ROSTRA Fits: 3.6L V6 Turbocharged 600015
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600015
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Low Beam
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WELLS Fits: 3.6L V6 Turbocharged 1R1059
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: NoVoltage: 12.0 VDC
Fitment notes — WELLS 1R1059
Mounting Hardware Included: NoVoltage: 12.0 VDC
Low Beam
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This table covers the relays that control the Headlamp 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.

Headlamp Switch

Economy

Brand Part Number Markets Notes Buy
SHEE-MAR Popular Fits: 3.6L V6 Turbocharged SM1238
🇺🇸 US 🇨🇦 CA
without Rear Fog LampsLabeled 23264891
Fitment notes — SHEE-MAR SM1238
without Rear Fog LampsLabeled 23264891Dimmer, Headlamp, Multi Function, Turn Signal
View on
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SHEE-MAR Fits: 3.6L V6 Turbocharged SM1237
🇺🇸 US 🇨🇦 CA
without Rear Fog LampsOE Switch
View on
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Standard Replacement

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged CBS2425
🇺🇸 US 🇨🇦 CA
with automatic headlights
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged CBS2257
🇺🇸 US 🇨🇦 CA
with Automatic Headlightswith Original Equipment (OE) # 22850675
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S14959
🇺🇸 US 🇨🇦 CA
View on
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This table covers the column or dash switches that control the exterior lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Horn Relay

Brand Part Number Markets Notes Buy
HELLA Fits: 3.6L V6 Turbocharged 933332571
🇺🇸 US 🇨🇦 CA
30 Amps4-Pin Connector
Fitment notes — HELLA 933332571
30 Amps4-Pin ConnectorColor: Black or Gray
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This table covers the relays that control the Horn 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.

Ignition Relay

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 13468935
🇺🇸 US 🇨🇦 CA
Electronic, 5 BladeElectronic Relay ISO Mini SPDT
Fitment notes — GM GENUINE 13468935
Electronic, 5 BladeElectronic Relay ISO Mini SPDTIgnition Switch
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ROSTRA Fits: 3.6L V6 Turbocharged 600214
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 3.6L V6 Turbocharged 1R3310
🇺🇸 US 🇨🇦 CA
View on
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This table covers the relays that control the Ignition 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.

Ignition Starter Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 84576177
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 84576177
Black
Mating Connector Use 13576543 8 Way with LeadsKeyless Engine Start Switch (BTM)
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WELLS Fits: 3.6L V6 Turbocharged 1S15309
🇺🇸 US 🇨🇦 CA
with Push Button Switch
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This table covers the ignition switches that feed the starter circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Instrument Panel Cluster Relay

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged RY1862
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 3.6L V6 Turbocharged 1R3431
🇺🇸 US 🇨🇦 CA
View on
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This table covers the relays that control the Instrument Panel Cluster 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.

Instrument Panel Dimmer Switch

Brand Part Number Markets Notes Buy
STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 Turbocharged DS2481
🇺🇸 US 🇨🇦 CA
without Heads-Up Display (HUD)Color Code Shale
View on
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WELLS Popular Fits: 3.6L V6 Turbocharged 1S15080
🇺🇸 US 🇨🇦 CA
without Heads-Up Display (HUD)Black
View on
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STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged DS2500
🇺🇸 US 🇨🇦 CA
Wheatwith Heads-Up Display (HUD)
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WELLS Fits: 3.6L V6 Turbocharged 1S14966
🇺🇸 US 🇨🇦 CA
without Heads-Up Display (HUD)Beige
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WELLS Fits: 3.6L V6 Turbocharged 1S14968
🇺🇸 US 🇨🇦 CA
Light Platinum
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WELLS Fits: 3.6L V6 Turbocharged 1S14963
🇺🇸 US 🇨🇦 CA
Titanium
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WELLS Fits: 3.6L V6 Turbocharged 1S14967
🇺🇸 US 🇨🇦 CA
Light Wheat
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WELLS Fits: 3.6L V6 Turbocharged 1S14962
🇺🇸 US 🇨🇦 CA
with Heads Up Display, Shale
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WELLS Fits: 3.6L V6 Turbocharged 1S14961
🇺🇸 US 🇨🇦 CA
with Heads-Up Display (HUD)Black
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This table covers the Instrument Panel Dimmer switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Interior Light Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 22888096
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 22888096
Black
Center
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GM GENUINE Fits: 3.6L V6 Turbocharged 22947023
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 22947023
Black
Right
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This table covers the Interior Light switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Level Control Relay

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 13500114
🇺🇸 US 🇨🇦 CA
Gray35AMP
Fitment notes — GM GENUINE 13500114
Gray35AMP4-TerminalHigh Current Micro
View on
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ROSTRA Fits: 3.6L V6 Turbocharged 600001
🇺🇸 US 🇨🇦 CA
Amperage Rating: 25 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600001
Amperage Rating: 25 AmpereConnector Shape: RectangleTerminal Type: Blade Pin
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WELLS Fits: 3.6L V6 Turbocharged 1R1056
🇺🇸 US 🇨🇦 CA
Amperage Rating: 25 AConnector Gender: Male
Fitment notes — WELLS 1R1056
Amperage Rating: 25 AConnector Gender: MaleMounting Hardware Included: No
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This table covers the relays that control the Level Control 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.

Multi-Function Relay

Brand Part Number Markets Notes Buy
WELLS Fits: 3.6L V6 Turbocharged 1R1946
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: No
Fitment notes — WELLS 1R1946
Mounting Hardware Included: No
with 4 TerminalsSquare Type
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This table covers the relays that control the Multi-Function 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.

Neutral Safety Switch / Range Sensor

Economy

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: 3.6L V6 Turbocharged 511110
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
ROSTRA Fits: 3.6L V6 Turbocharged 670597
🇺🇸 US 🇨🇦 CA
View on
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STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged NS624
🇺🇸 US 🇨🇦 CA
View on
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VEMO Fits: 3.6L V6 Turbocharged V51730150
🇺🇸 US 🇨🇦 CA
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WELLS Fits: 3.6L V6 Turbocharged 1S12274
🇺🇸 US 🇨🇦 CA
View on
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This table covers the Neutral Safety Switch / Range sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.

Oil Pressure Sender / Switch

Economy

Brand Part Number Markets Notes Buy
VEMO Fits: 3.6L V6 Turbocharged V51730103
🇺🇸 US 🇨🇦 CA
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Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.6L V6 Turbocharged 96985635
🇺🇸 US 🇨🇦 CA
View on
Amazon
STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 Turbocharged PS629
🇺🇸 US 🇨🇦 CA
View on
Amazon
GPD Fits: 3.6L V6 Turbocharged 1815365
🇺🇸 US 🇨🇦 CA
with Gauge
View on
Amazon
ROSTRA Fits: 3.6L V6 Turbocharged 501549
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S12821
🇺🇸 US 🇨🇦 CA
View on
Amazon
Brand Part Number Markets Notes Buy
HOLSTEIN Fits: 3.6L V6 Turbocharged 2OPS0340
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.

Outside Mirror Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 22915441
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 22915441
Black
Leftwith Memory
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Amazon
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged MRS143
🇺🇸 US 🇨🇦 CA
without Power Folding Mirrors
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged MRS148
🇺🇸 US 🇨🇦 CA
with Power Folding Mirrors
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S17130
🇺🇸 US 🇨🇦 CA
with Power Folding Mirrors
View on
Amazon

This table covers the Outside Mirror switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Overdrive Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23156473
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 23156473
Black
LeftTap Down SwitchSteering Wheel Transmission Shift Control Switch
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This table covers the Overdrive switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Parking Brake Control Relay

Brand Part Number Markets Notes Buy
WELLS Fits: 3.6L V6 Turbocharged 1R1945
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the relays that control the Parking Brake Control 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.

Parking Brake Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23135017
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 23135017
Black
Power Parking Brake (J71)
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This table covers the Parking Brake switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Power Seat Switch

Brand Part Number Markets Notes Buy
SHEE-MAR Fits: 3.6L V6 Turbocharged SM2807
🇺🇸 US 🇨🇦 CA
Front Left
View on
Amazon
SHEE-MAR Fits: 3.6L V6 Turbocharged SM2806
🇺🇸 US 🇨🇦 CA
Front Right
View on
Amazon

This table covers the Power Seat switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Power Window Switch

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.6L V6 Turbocharged 22993703
🇺🇸 US 🇨🇦 CA
Front LeftJET BLACK
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Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 09060226
🇺🇸 US 🇨🇦 CA
RearJET BLACK
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged DWS1783
🇺🇸 US 🇨🇦 CA
Rear
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S15709
🇺🇸 US 🇨🇦 CA
Rear
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S14013
🇺🇸 US 🇨🇦 CA
Front Right
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S15754
🇺🇸 US 🇨🇦 CA
Front Left
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Amazon

This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Pulse Wiper Relay

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged D1780C
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE D1780C
Black
BLACK35AMP5 TERMINALHIGH CURRENT MICRO 280
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1R1059
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: NoVoltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Pulse Wiper 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.

Radiator Fan Relay

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.6L V6 Turbocharged 13500114
🇺🇸 US 🇨🇦 CA
Gray35AMP
Fitment notes — GM GENUINE 13500114
Gray35AMP4-TerminalHigh Current MicroMotor Relay
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Amazon
HELLA Popular Fits: 3.6L V6 Turbocharged 933332581
🇺🇸 US 🇨🇦 CA
5-Pin ConnectorColor: Black
Fitment notes — HELLA 933332581
5-Pin ConnectorColor: Black
Motor Relay
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Amazon
STANDARD MOTOR PRODUCTS Popular Fits: 3.6L V6 Turbocharged RY232
🇺🇸 US 🇨🇦 CA
Amperage Rating: 35 AConnector Gender: Male
Fitment notes — STANDARD MOTOR PRODUCTS RY232
Amperage Rating: 35 AConnector Gender: MaleFunctions: Multi-Function Relayblack
with 5 Blade TerminalMotor Relay
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Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 13468935
🇺🇸 US 🇨🇦 CA
Electronic, 5 BladeElectronic Relay ISO Mini SPDT
Fitment notes — GM GENUINE 13468935
Electronic, 5 BladeElectronic Relay ISO Mini SPDTMotor Relay
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Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 13468936
🇺🇸 US 🇨🇦 CA
Motor Relay
View on
Amazon
ROSTRA Fits: 3.6L V6 Turbocharged 600132
🇺🇸 US 🇨🇦 CA
Squarewith 4 Blade Terminals
View on
Amazon
ROSTRA Fits: 3.6L V6 Turbocharged 600214
🇺🇸 US 🇨🇦 CA
with 5 Blade Terminals
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged RY255
🇺🇸 US 🇨🇦 CA
Amperage Rating: 70 AContinuous Duty: YES
Fitment notes — STANDARD MOTOR PRODUCTS RY255
Amperage Rating: 70 AContinuous Duty: YESFunctions: Multi-Function Relay
with 4 Blade TerminalMotor Relay
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged RY1760
🇺🇸 US 🇨🇦 CA
Functions: Coolant Fan Relay
Fitment notes — STANDARD MOTOR PRODUCTS RY1760
Functions: Coolant Fan Relay
with 4 Blade TerminalMotor Relay
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1R3310
🇺🇸 US 🇨🇦 CA
with 5 Terminal(s)Motor Relay
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1R3325
🇺🇸 US 🇨🇦 CA
with 4 Terminal(s)Square Type
Fitment notes — WELLS 1R3325
with 4 Terminal(s)Square TypeMotor Relay
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Amazon

This table covers the relays that control the Radiator Fan 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.

Steering Wheel Audio Control Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 19436099
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S16650
🇺🇸 US 🇨🇦 CA
Piano Black
View on
Amazon

This table covers the Steering Wheel Audio Control switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Sunroof / Sunshade Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 22946685
🇺🇸 US 🇨🇦 CA
Black
View on
Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 22997772
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 22997772
Black
Sunroof Shade
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This table covers the Sunroof / Sunshade switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Trunk Lid / Tailgate Release Switch

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 84144309
🇺🇸 US 🇨🇦 CA
Piano BlackPark Assist with Indicator Sensor (UD5), Rear Parking Assist/Obstacle Detection Sensor (UD7)
View on
Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 22799049
🇺🇸 US 🇨🇦 CA
Terminal Gender: FemaleTerminal Type: Blade
Fitment notes — GM GENUINE 22799049
Terminal Gender: FemaleTerminal Type: BladeBlack
Except Rearview Camera (UVC), 360 View Mono Vision (UVH)
View on
Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 84144307
🇺🇸 US 🇨🇦 CA
SEMI-AUTO FRONT AND REAR AND LATERAL-FRONT PARK ASSIST STEERING AID(UFQ)PIANO BLACK
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GM GENUINE Fits: 3.6L V6 Turbocharged 84246435
🇺🇸 US 🇨🇦 CA
BlackConnector Gender: Female
Fitment notes — GM GENUINE 84246435
BlackConnector Gender: FemaleTerminal Type: Pin
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Amazon

This table covers the Trunk Lid / Tailgate Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Turn Signal Switch

Economy

Brand Part Number Markets Notes Buy
SHEE-MAR Popular Fits: 3.6L V6 Turbocharged SM1238
🇺🇸 US 🇨🇦 CA
without Rear Fog LampsLabeled 23264891
Fitment notes — SHEE-MAR SM1238
without Rear Fog LampsLabeled 23264891Dimmer, Headlamp, Multi Function, Turn Signal
View on
Amazon
SHEE-MAR Fits: 3.6L V6 Turbocharged SM1237
🇺🇸 US 🇨🇦 CA
without Rear Fog LampsOE Switch
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23264891
🇺🇸 US 🇨🇦 CA
Fits Labeled 23264891Exc. Rear Fog Lamps (T79)
Fitment notes — GM GENUINE 23264891
Fits:
Labeled 23264891Exc. Rear Fog Lamps (T79)Collision Imminent Brake Assist Sensor (UGN), Heated Steering Wheel Switch (UVD)
or:
Labeled 23264891Except Rear Fog Lamps (T79), Collision Imminent Brake Assist Sensor (UGN), Heated Steering Wheel Switch (UVD)
or:
Labeled 23264891Heated Steering Wheel Switch (UVD)Except Rear Fog Lamps (T79), Collision Imminent Brake Assist Sensor (UGN)
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged CBS2425
🇺🇸 US 🇨🇦 CA
with automatic headlights
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S14959
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the combination / turn-signal switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Wiper / Washer Switch

Economy

Brand Part Number Markets Notes Buy
SHEE-MAR Popular Fits: 3.6L V6 Turbocharged SM1243
🇺🇸 US 🇨🇦 CA
OE Switch
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged 23307660
🇺🇸 US 🇨🇦 CA
View on
Amazon
ROSTRA Fits: 3.6L V6 Turbocharged 740303
🇺🇸 US 🇨🇦 CA
with OE # 23458681
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 3.6L V6 Turbocharged WP577
🇺🇸 US 🇨🇦 CA
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1S14960
🇺🇸 US 🇨🇦 CA
with OE# 23458681
View on
Amazon

This table covers the Wiper / Washer switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.

Wiper Motor Relay

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 3.6L V6 Turbocharged D1780C
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE D1780C
Black
BLACK35AMP5 TERMINALHIGH CURRENT MICRO 280
View on
Amazon
ROSTRA Fits: 3.6L V6 Turbocharged 600015
🇺🇸 US 🇨🇦 CA
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Fitment notes — ROSTRA 600015
Amperage Rating: 30 AmpereConnector Shape: Rectangle
Pulse Control
View on
Amazon
WELLS Fits: 3.6L V6 Turbocharged 1R1059
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: NoVoltage: 12.0 VDC
View on
Amazon

This table covers the relays that control the Wiper Motor 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.

Wiring Relay

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 3.6L V6 Turbocharged 21997416
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 21997416
Black
SPST4-Terminal Space Saver Ultra Micro
View on
Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 13468934
🇺🇸 US 🇨🇦 CA
4-Terminal 630 Series Single Pole Double Throw MiniFrom Block Assembly
View on
Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 84095364
🇺🇸 US 🇨🇦 CA
4 Terminal 950 Power Mini
View on
Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 39091599
🇺🇸 US 🇨🇦 CA
View on
Amazon
GM GENUINE Fits: 3.6L V6 Turbocharged 13422668
🇺🇸 US 🇨🇦 CA
Gray4-Terminal
View on
Amazon

This table covers the relays that control the Wiring 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.

Buying Electrical Switch & Relay Parts for a 2016 Cadillac XTS

On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.

  • Match the engine first. Every electrical switch & relay part here is engine-specific; each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Radiator Fan Relay and Instrument Panel Dimmer Switch .

Frequently Asked Questions

How many electrical switch & relay parts fit the 2016 Cadillac XTS?

Our catalog currently lists 141 electrical switch & relay parts for the 2016 Cadillac XTS across 47 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 switch & relay parts differ between 2016 Cadillac XTS engines?

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

What are the signs of electrical switch & relay problems on a 2016 Cadillac XTS?

Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.

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 swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2016 Cadillac XTS

Electrical Switch & Relay Parts for Other Cadillac XTS Years

Switch vehicle or jump to a subcategory

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