How to replace the multifunction turn signal switch on 2003 GMC Envoy?

Start with multiturn switch replacement by turning off the SIR system and removing both trim parts from the top and bottom. Move the column to its central position while detaching both connectors from the turn signal and multifunction switch parts. To access the new turn signal and multifunction switch assembly remove its 2 pan head tapping screws and slide the assembly out. Position the new assembly with its electrical end touching the turn signal cancel cam piece and fasten it with two pan head screws. Screw both the top and front column components with torque values of 3 Nm and 7 Nm respectively. link all electrical connectors to the turn signal switch and multifunction module before setting back the upper and lower trim panels then activating SIR.

OEM 2003 GMC Envoy Turn Signal Switch

Turn Signal Indicator Switch

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2003 GMC Envoy Turn Signal Switch
Part Number: 12450067
$145.12 MSRP: $298.20
You Save: $153.08 (52%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Switch, Headlamp Dimmer; Multi-Function Switch; Multi Purpose Switch; Multifunction Switch; Combination Switch; Switch, Windshield Wiper & Washer Control; Switch, Turn Signal Lamp
- Item Weight: 2.80 Pounds
- Item Dimensions: 11.6 x 5.0 x 4.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12450067
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Envoy Submodels:
- Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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2003 GMC Envoy Turn Signal Switch
Part Number: 12450066
$131.50 MSRP: $246.94
You Save: $115.44 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Switch Assembly, Turn Signal & Headlamp Dimmer, Wiper & Washer (W/Lever); Multi Purpose Switch; Combination Switch; Switch, Windshield Wiper & Washer Control; Switch, Turn Signal Lamp; Switch, Headlamp Dimmer
- Item Weight: 4.20 Pounds
- Item Dimensions: 10.8 x 5.7 x 5.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12450066
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 GMC Envoy Submodels:
- Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS

2003 GMC Envoy Turn Signal Switch

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2003 GMC Envoy Parts Questions & Experts Answers

Q: How to replace the multifunction turn signal switch on 2003 GMC Envoy?
A: Start with multiturn switch replacement by turning off the SIR system and removing both trim parts from the top and bottom. Move the column to its central position while detaching both connectors from the turn signal and multifunction switch parts. To access the new turn signal and multifunction switch assembly remove its 2 pan head tapping screws and slide the assembly out. Position the new assembly with its electrical end touching the turn signal cancel cam piece and fasten it with two pan head screws. Screw both the top and front column components with torque values of 3 Nm and 7 Nm respectively. link all electrical connectors to the turn signal switch and multifunction module before setting back the upper and lower trim panels then activating SIR.

Related 2003 GMC Envoy Parts

Alternate Year Models

2002 GMC Envoy Turn Signal Switch 2004 GMC Envoy Turn Signal Switch