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Dorman 901-064 4WD Switch
Overview of the Dorman 901-064 4WD Switch
The Dorman 901-064 4WD switch is designed for reliable operation in select Buick, Chevrolet, GMC, and Oldsmobile vehicles. This dash-mounted switch features pin-type terminals and is engineered to provide consistent control of your vehicle's four-wheel drive system without the need for attached lead wires or a wiring harness.
- Pin terminal type for secure electrical connection
- Dash mounting location for easy access
- No attached lead wires included
- Wiring harness not included
- Package contains one 4WD switch
Product Details and Specifications
The Dorman 901-064 4WD switch is specifically compatible with Buick Bravada, Chevrolet Envoy, Envoy XL, Envoy XUV, Rainier, Trailblazer, and Trailblazer EXT models. Its pin terminal design ensures a straightforward connection to your vehicle's existing wiring system. The switch mounts directly to the dash, providing convenient control over the four-wheel drive system. This part does not include attached lead wires or a wiring harness, allowing for integration with your vehicle's original components or aftermarket wiring solutions.
Compatible Vehicles and Applications
This 4WD switch is compatible with the following vehicles:
- Buick Bravada
- Chevrolet Envoy, Envoy XL, Envoy XUV
- GMC Envoy, Rainier, Trailblazer, Trailblazer EXT
- Oldsmobile models within the same platform
Common Issues Addressed by the Dorman 901-064 4WD Switch
- Intermittent or non-responsive 4WD engagement
- Faulty dash switch preventing 4WD activation
- Damaged or worn switch terminals causing electrical issues
- Replacement for broken or missing 4WD dash switch
- Restoring proper function to the vehicle's 4WD control system
Installation Notes and Tips
Installation of the Dorman 901-064 4WD switch requires removal of the dash panel to access the existing switch location. Since this switch uses pin terminals and does not include attached lead wires or a wiring harness, ensure your vehicle's wiring harness is intact and compatible. Use appropriate tools to avoid damaging terminals during installation. Verify proper switch operation before reassembling the dash components.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 901-064 4WD switch undergoes quality inspections to ensure reliable performance in compatible Buick, Chevrolet, GMC, and Oldsmobile vehicles. Please refer to Dorman's warranty policy for specific coverage details.
| Brand | Dorman |
| Part Number | 901-064 |
| Attached Lead Wires | No |
| Mounting Location | Dash |
| Package Contents | 1 Switch |
| Terminal Type | Pin |
| Wiring Harness Included | No |
This part fits 35 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | N/A | |
| 2009 | GMC | Envoy | N/A | |
| 2008 | Chevrolet | Trailblazer | N/A | |
| 2008 | GMC | Envoy | N/A | |
| 2007 | Buick | Rainier | N/A | |
| 2007 | Chevrolet | Trailblazer | N/A | |
| 2007 | GMC | Envoy | N/A | |
| 2006 | Buick | Rainier | N/A | |
| 2006 | Chevrolet | Trailblazer | N/A | |
| 2006 | Chevrolet | Trailblazer EXT | N/A | |
| 2006 | GMC | Envoy | N/A | |
| 2006 | GMC | Envoy XL | N/A | |
| 2005 | Buick | Rainier | N/A | |
| 2005 | Chevrolet | Trailblazer | N/A | |
| 2005 | Chevrolet | Trailblazer EXT | N/A | |
| 2005 | GMC | Envoy | N/A | |
| 2005 | GMC | Envoy XL | N/A | |
| 2005 | GMC | Envoy XUV | N/A | |
| 2004 | Buick | Rainier | N/A | |
| 2004 | Chevrolet | Trailblazer | N/A | |
| 2004 | Chevrolet | Trailblazer EXT | N/A | |
| 2004 | GMC | Envoy | N/A | |
| 2004 | GMC | Envoy XL | N/A | |
| 2004 | GMC | Envoy XUV | N/A | |
| 2004 | Oldsmobile | Bravada | N/A | |
| 2003 | Chevrolet | Trailblazer | N/A | |
| 2003 | Chevrolet | Trailblazer EXT | N/A | |
| 2003 | GMC | Envoy | N/A | |
| 2003 | GMC | Envoy XL | N/A | |
| 2003 | Oldsmobile | Bravada | N/A | |
| 2002 | Chevrolet | Trailblazer | N/A | |
| 2002 | Chevrolet | Trailblazer EXT | N/A | |
| 2002 | GMC | Envoy | N/A | |
| 2002 | GMC | Envoy XL | N/A | |
| 2002 | Oldsmobile | Bravada | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.