What is the purpose of relays and how can a faulty relay be identified and fixed on GMC Sonoma?

First, several electrical accessories in the vehicle use relays to transmit the electrical signal to the component and if the relay is defective, that component will not operate properly. The various relays are grouped together in several locations like the engine compartment. If a faulty relay is suspected, it can be removed and tested.

Genuine GMC Sonoma Relay

Wire Relay

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18 Relays found

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GMC Sonoma RELAY ASM,ACSRY TIME DELAY CUTOFF *GRAY
Part Number: 13500114
$10.11 MSRP: $20.88
You Save: $10.77 (52%)
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Product Specifications
- Replaces: 12088567, 12135170, 19116057, 92199312, 12193606, 12135034, 19115080, 15328866, 15393412
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2004 GMC Sonoma | 4 DOOR, PICKUP, PICKUP EXTENDED CAB | 4 Cyl 2.2L, 4 Cyl 2.2L Flex, 6 Cyl 4.3L
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GMC Sonoma Relay Asm,Multiuse *Gray
Part Number: 13503102
$7.77 MSRP: $16.90
You Save: $9.13 (55%)
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Product Specifications
- Replaces: 12193604, 15328864, 12088592, 12177236, 12088576, 12193614, 12135175
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2004 GMC Sonoma | 4 DOOR, PICKUP, PICKUP EXTENDED CAB | 4 Cyl 2.2L, 4 Cyl 2.2L Flex, 6 Cyl 4.3L
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GMC Sonoma Relay Asm,Multiuse
Part Number: 19118886
$53.35 MSRP: $115.98
You Save: $62.63 (54%)
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Product Specifications
- Other Name: RELAY, Fuel Pump
- Replaces: 12177235, 12135086, 12135005, 12193613, 12177233, 84095360, 12193601, 12193603, 12193611, 12135085, 12077867, 12077864, 12088577, 19131161
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2004 GMC Sonoma | 4 DOOR, PICKUP, PICKUP EXTENDED CAB | 4 Cyl 2.2L, 4 Cyl 2.2L Flex, 6 Cyl 4.3L
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GMC Sonoma RELAY ASM,WSW MOT *BLACK
Part Number: 13500126
$11.60 MSRP: $21.88
You Save: $10.28 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Replaces: 19116058, 92181835, 92199311, 12135180, 12077866, 15328867, 19115082, 15393413
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2004 GMC Sonoma | 4 DOOR, PICKUP, PICKUP EXTENDED CAB | 4 Cyl 2.2L, 4 Cyl 2.2L Flex, 6 Cyl 4.3L
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GMC Sonoma Flasher,Hazard Lamp
Part Number: 19209674
$17.98 MSRP: $25.52
You Save: $7.54 (30%)
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Product Specifications
- Other Name: FLASHER, Chassis/Body Marker/Hazard
- Replaces: 00491391, 10178780, 10041073, 10039390, 15648653, 491391, 11515735
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1998 GMC Sonoma | PICKUP | 4 Cyl 2.2L, 6 Cyl 4.3L
- 1991-1993 GMC Sonoma | PICKUP | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L
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GMC Sonoma Relay, Electronic Brake Control
Part Number: 12088594
$11.10 MSRP: $26.68
You Save: $15.58 (59%)
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Product Specifications
- Other Name: RELAY, A/C Electrical
- Replaces: 12034544, 15210866, 15591178, 22555387, 25609047, 12088596, 22570060
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1992 GMC Sonoma | PICKUP | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L
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GMC Sonoma Flasher Assembly, Turn Signal Lamp
Part Number: 9442871
$12.94 MSRP: $28.87
You Save: $15.93 (56%)
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Product Specifications
- Other Name: FLASHER, Turn Signal Lamp; Turn Signal Flasher
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC Sonoma | PICKUP | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L
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GMC Sonoma Relay Assembly, Multiuse
Part Number: 13502676
$6.13 MSRP: $11.56
You Save: $5.43 (47%)
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Product Specifications
- Other Name: RELAY, Radio Receiver; Fuel Pump Relay, Horn Relay, Relay
- Replaces: 12065125, 12135084, 12065118, 92109510
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003 GMC Sonoma | PICKUP EXTENDED CAB | 4 Cyl 2.2L, 6 Cyl 4.3L
- 1999-2000 GMC Sonoma | PICKUP | 6 Cyl 4.3L
- 1994 GMC Sonoma | PICKUP | 4 Cyl 2.2L, 6 Cyl 4.3L
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GMC Sonoma Relay Assembly
Part Number: 12088504
$13.27 MSRP: $45.70
You Save: $32.43 (71%)
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Product Specifications
- Other Name: RELAY, Headlamp/Fog Lamp/Turn Signal; Horn Relay, Temperature Switch
- Replaces: 12040835
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 GMC Sonoma | PICKUP | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L
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GMC Sonoma Relay,Horn
Part Number: 25523703
Product Specifications
- Other Name: RELAY, Horn; Horn Relay, Lock Relay, Relay
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC Sonoma | PICKUP | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L
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GMC Sonoma Flasher,Turn Signal Lamp
Part Number: 10041074
Product Specifications
- Other Name: FLASHER, Turn Signal Lamp; Turn Signal Flasher
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC Sonoma | PICKUP | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L
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GMC Sonoma Relay,Fuel Pump
Part Number: 10034222
Product Specifications
- Other Name: RELAY, A/C Electrical; AC Relay, Fan Relay, Fuel Pump Relay, Relay
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC Sonoma | PICKUP | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L
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GMC Sonoma Relay Assembly, Blower Motor
Part Number: 14036273
Product Specifications
- Other Name: RELAY, A/C Electrical; Relay
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC Sonoma | PICKUP | 4 Cyl 2.5L, 6 Cyl 2.8L, 6 Cyl 4.3L
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GMC Sonoma Flasher,Turn Signal Lamp
Part Number: 9442495
Product Specifications
- Other Name: FLASHER, Turn Signal Lamp
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1996 GMC Sonoma | PICKUP | 4 Cyl 2.2L, 6 Cyl 4.3L
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GMC Sonoma Flasher,Hazard Lamp & Turn Signal Lamp
Part Number: 9442496
Product Specifications
- Other Name: FLASHER, Turn Signal Lamp
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-1997 GMC Sonoma | PICKUP | 4 Cyl 2.2L, 6 Cyl 4.3L
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GMC Sonoma Flasher,Hazard Lamp & Turn Signal Lamp
Part Number: 12450057
Product Specifications
- Other Name: FLASHER, Chassis/Body Marker/Hazard; Flasher
- Replaces: 09442893, 9442893
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2004 GMC Sonoma | 4 DOOR, PICKUP, PICKUP EXTENDED CAB | 4 Cyl 2.2L, 4 Cyl 2.2L Flex, 6 Cyl 4.3L
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GMC Sonoma Relay Assembly, Headlamp Washer Pump
Part Number: 15732601
Product Specifications
- Other Name: RELAY, Capsule/Headlamp Washer/Wiper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997 GMC Sonoma | PICKUP | 4 Cyl 2.2L, 6 Cyl 4.3L
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GMC Sonoma Relay Assembly, Headlamp Washer Pump
Part Number: 15027503
Product Specifications
- Other Name: RELAY, Capsule/Headlamp Washer/Wiper
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2002 GMC Sonoma | 4 DOOR, PICKUP, PICKUP EXTENDED CAB | 4 Cyl 2.2L, 4 Cyl 2.2L Flex, 6 Cyl 4.3L

GMC Sonoma Relay

The GMC Sonoma Relay serves as an electrically controlled switch that lets the truck climate system run only when accurate low power signals call for action. By turning a brief electrical pulse into a firm open or closed contact, the Relay activates parts like the fan or blower motor only when the climate module demands them, preventing wasted power and keeping interior temperatures steady. Over the years this pickup has relied on several Relay styles. The traditional electromechanical design uses an internal coil and moving contacts, ideal for common fan and blower duties. Solid state Relay versions, containing semiconductor elements and no moving parts, achieve the same task faster and with less wear. These advances followed the original GMC wiring blueprint. Magnetic latching variants appear in later Sonoma circuits, holding their position after a single pulse so a power loss will not reset critical climate settings. While their construction differs, every Relay type shares one goal, protecting the GMC climate chain from costly failures by failing first and being cheap and easy to swap, which keeps any Sonoma comfortable and warning light free.

Each OEM GMC Sonoma Relay we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Sonoma Relay Parts Questions & Experts Answers

Relay Asm,Multiuse
19118886
Q: What is the purpose of relays and how can a faulty relay be identified and fixed on GMC Sonoma?
A:
First, several electrical accessories in the vehicle use relays to transmit the electrical signal to the component and if the relay is defective, that component will not operate properly. The various relays are grouped together in several locations like the engine compartment. If a faulty relay is suspected, it can be removed and tested.

Related GMC Sonoma Parts

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