How to replace the hazard and turn signal flasher on GMC Sonoma?

Before proceeding you must open the glove box to see its retaining tab and push upwards to support the glove box naturally. Insert a suitable flat-bladed tool to remove the plastic retainer holding the hazard/Turn Signal Flasher on the c203 body harness connector. Pull out the flasher when ready. Normally attach the new flasher unit to the c203 body harness connector. Use the plastic retainer properly to keep the connection stable and secure. Use the flat-blade tool to push down the glove box retention tab so you can reposition and shut the glove box.

OEM GMC Sonoma Turn Signal Flasher

Turn Signal Indicator Flasher

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GMC Sonoma Fuel Pump Relay Part Number: 12088594
$14.29 MSRP: $26.68
You Save: $12.39 (47%)
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Product Specifications
- Other Name: Relay, Electronic Brake Control; Multi Purpose Relay; Cooling Fan Relay; Fog Light Relay; ABS Relay; A/C Relay, relays for fan, control, power, compressor, motor, lighting & fuel
- Replaces: 12034544, 15210866, 15591178, 22555387, 25609047, 12088596, 22570060
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 GMC Sonoma | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Flasher Relay Part Number: 19209674
$15.50 MSRP: $25.52
You Save: $10.02 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Flasher Assembly, Chassis/Body Marker/Hazard; Multi Purpose Relay; Turn Signal Flasher; Hazard Flasher Unit; Relay; Chassis/Body Marker Flasher; Turn Signal Lamp Flasher.
- Replaces: 00491391, 10178780, 10041073, 10039390, 15648653, 491391, 11515735
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997, 1992-1994 GMC Sonoma | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Turn Signal Flasher Part Number: 11516051
$44.00 MSRP: $85.40
You Save: $41.40 (49%)
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Product Specifications
- Other Name: Flasher, Hazard Lamp & Turn Signal Lamp; Hazard Flasher; Flasher; Flasher, Chassis/Body Marker/Hazard; Flasher, Turn Signal Lamp
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-2003 GMC Sonoma | SL, SLE, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Turn Signal Flasher Part Number: 9442871
$12.99 MSRP: $28.87
You Save: $15.88 (56%)
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Product Specifications
- Other Name: Flasher Assembly-Turn Signal Lamp; Flasher, Turn Signal Lamp
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1994 GMC Sonoma | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Flasher Part Number: 12450057
$25.02 MSRP: $46.70
You Save: $21.68 (47%)
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Product Specifications
- Other Name: Flasher, Hazard Lamp & Turn Signal Lamp; Flasher, Chassis/Body Marker/Hazard; Flasher, Turn Signal Lamp
- Replaces: 09442893, 9442893
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2004 GMC Sonoma | SL, SLS | 4 Cyl 2.2 L FLEX, 4 Cyl 2.2 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Turn Signal Flasher Part Number: 10041074
Product Specifications
- Other Name: Flasher, Turn Signal Lamp
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1996 GMC Sonoma | Base, GT, SL, SLE, SLS | 4 Cyl 2.2 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 2.8 L GAS, 6 Cyl 4.3 L GAS
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GMC Sonoma Flasher Part Number: 12450329
Product Specifications
- Other Name: Flasher, Chassis/Body Marker/Hazard; Flasher, Turn Signal Lamp
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004 GMC Sonoma | SL, SLS | 6 Cyl 4.3 L GAS

GMC Sonoma Turn Signal Flasher

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GMC Sonoma Turn Signal Flasher Parts and Q&A

Flasher
12450057
Q: How to replace the hazard and turn signal flasher on GMC Sonoma?
A:
Before proceeding you must open the glove box to see its retaining tab and push upwards to support the glove box naturally. Insert a suitable flat-bladed tool to remove the plastic retainer holding the hazard/Turn Signal Flasher on the c203 body harness connector. Pull out the flasher when ready. Normally attach the new flasher unit to the c203 body harness connector. Use the plastic retainer properly to keep the connection stable and secure. Use the flat-blade tool to push down the glove box retention tab so you can reposition and shut the glove box.