Introduction
This manual provides essential information for the installation, operation, and maintenance of your Dorman 901-130 Four Wheel Drive Selector Switch. This switch is designed as a direct replacement for specific Cadillac, Chevrolet, and GMC models, ensuring proper engagement of the vehicle's four-wheel drive system.
Safety Information
Always prioritize safety when working on your vehicle. Disconnect the vehicle's battery before beginning any electrical work to prevent electrical shock or damage to components. Ensure the vehicle is securely parked with the parking brake engaged. If you are unsure about any step, consult a qualified automotive technician.
Setup and Installation
The Dorman 901-130 Four Wheel Drive Selector Switch is engineered for direct replacement, matching the fit and function of the original equipment switch. Prior to installation, verify compatibility with your specific vehicle make, model, and trim level.
- Preparation: Ensure the vehicle is turned off and the parking brake is engaged. Disconnect the negative terminal of the vehicle's battery.
- Access Old Switch: Carefully locate and access the existing four-wheel drive selector switch on your vehicle's dashboard. This typically involves gently prying around the old switch panel to release it. Refer to your vehicle's service manual for specific panel removal instructions.
- Disconnect Old Switch: Once the old switch is accessible, carefully unplug its electrical connectors from the rear.
- Install New Switch: Connect the electrical connectors from your vehicle to the new Dorman 901-130 switch. Ensure connections are secure.
- Secure New Switch: Carefully position the new switch into the dashboard opening until it clicks securely into place.
- Final Steps: Reconnect the negative terminal of the vehicle's battery. Test the functionality of the new switch.
Figure 1: Front view of the Dorman 901-130 Four Wheel Drive Selector Switch, showing the button layout.
Figure 2: Rear view of the Dorman 901-130 switch, illustrating the electrical connector ports for vehicle integration.
Operating Instructions
The Dorman 901-130 switch allows selection of various four-wheel drive modes. Familiarize yourself with each mode and its appropriate use.
Figure 3: The Dorman 901-130 Four Wheel Drive Selector Switch, displaying all available drive mode buttons.
- 2HI (Two-Wheel Drive High): This mode is for normal driving conditions on dry, paved roads. Power is sent only to the rear wheels, optimizing fuel efficiency.
- AUTO 4WD (Automatic Four-Wheel Drive): In this mode, the vehicle automatically engages four-wheel drive when wheel slip is detected. Suitable for varying road conditions, such as light snow or wet surfaces.
- 4HI (Four-Wheel Drive High): Provides constant four-wheel drive for improved traction on slippery surfaces like snow, ice, or loose gravel. Typically used at higher speeds than 4LO.
- 4LO (Four-Wheel Drive Low): Offers maximum torque and traction for extreme off-road conditions, steep grades, or pulling heavy loads at very low speeds. Do not use on dry, paved roads.
- NEUTRAL: This position disengages the transfer case, allowing the vehicle to be towed without damaging the drivetrain. Consult your vehicle's owner's manual for specific towing procedures.
To switch between modes, press the desired button. An indicator light on the switch or dashboard will confirm the selected mode. Always refer to your vehicle's owner's manual for detailed instructions on when and how to safely engage each four-wheel drive mode.
Maintenance
The Dorman 901-130 Four Wheel Drive Selector Switch is designed for long-term, reliable performance and requires minimal maintenance. Keep the switch surface clean and free from dirt or debris. Avoid using harsh chemicals or abrasive cleaners, which could damage the switch's finish or internal components.
Troubleshooting
If you experience issues with your four-wheel drive system after installing the Dorman 901-130 switch, consider the following:
- No Response or Intermittent Operation:
- Verify all electrical connections to the switch are secure and properly seated.
- Check for any blown fuses related to the four-wheel drive system in your vehicle's fuse box.
- Ensure the vehicle's battery is fully charged and providing adequate voltage.
- Indicator Lights Not Functioning:
- Confirm the switch is correctly installed and receiving power.
- While the Dorman switch is designed with reliable lighting, if the issue persists, it may indicate a problem with the vehicle's wiring or other components in the 4WD system.
- Difficulty Engaging/Disengaging 4WD:
- Ensure the vehicle is in the correct conditions for shifting (e.g., vehicle stopped or at low speed for 4LO, as per your vehicle's owner's manual).
- If the switch itself feels loose or unresponsive, re-check its mounting.
If troubleshooting steps do not resolve the issue, it is recommended to consult a professional automotive technician for diagnosis and repair, as the problem may lie with other components of the vehicle's four-wheel drive system.
Specifications
| Feature | Detail |
|---|---|
| Brand | Dorman |
| Model Number | 901-130 |
| Item Weight | 0.8 ounces |
| Product Dimensions (L x W x H) | 2.4 x 2.9 x 5.7 inches |
| Contact Type | Normally Open |
| Connector Type | Blade |
| Terminal Type | Spade |
| Circuit Type | 3-way |
| Actuator Type | Push Button |
| Contact Material | Plastic |
| Number of Positions | 10 |
| OEM Part Numbers | 1S4235; FWA121; SW4507; TCA-36; TCA36; 15027104; 19168765 |
Warranty Information
For specific warranty details regarding the Dorman 901-130 Four Wheel Drive Selector Switch, please refer to the official Dorman product documentation included with your purchase or visit the official Dorman website. Warranty terms and conditions may vary.
Customer Support
If you require further assistance, have questions about installation, or need to report a product issue, please contact Dorman customer support. You can find contact information on the official Dorman website or through your product retailer.
For more information, visit the Dorman Store on Amazon.