Locating the Cable:
1. Transmission End: Look at the top or side of your transmission. The cable usually connects near the top, often with a small nut and fitting. It might be tucked up somewhat, requiring you to move some components to see it clearly.
2. Instrument Cluster End: This end is located behind the dashboard, near the instrument cluster itself. You'll need to access the instrument cluster to fully see this connection.
Replacing the Speedometer Cable:
Tools you'll likely need:
* Socket wrench and sockets (the size will depend on the nut securing the cable at the transmission)
* Screwdrivers (Phillips and possibly flathead, depending on your dashboard and trim)
* Possibly pliers (for accessing or disconnecting the cable)
* New speedometer cable (make sure you get the correct one for your year and model S-10)
* Possibly a flashlight
Steps:
1. Disconnect the Battery: This is crucial for safety reasons, preventing accidental shorts.
2. Access the Transmission End: Locate the cable at the transmission. You might need to move some parts like the air filter housing or other components to get a good view. Use the appropriate socket wrench to loosen and remove the nut securing the cable to the transmission.
3. Access the Instrument Cluster End: This is usually the more difficult part. You’ll need to partially or fully disassemble the instrument cluster. Consult a repair manual for your specific S-10 year to determine how to access the instrument cluster safely and effectively. This often involves removing trim pieces around the dashboard, and potentially the steering wheel.
4. Disconnect the Cable: Gently disconnect the cable from both the transmission and the instrument cluster. Take note of how the cable is routed, to ensure you can re-route it properly.
5. Install the New Cable: Carefully feed the new speedometer cable through the same path as the old one. This can be tricky; it may help to lubricate the cable slightly with silicone spray to make it easier to feed it through.
6. Reconnect the Cable: Secure the new cable to the transmission with the nut you removed earlier.
7. Reconnect at Instrument Cluster: Reconnect the cable to the speedometer instrument cluster. Make sure it’s firmly seated.
8. Reassemble: Carefully reassemble the dashboard and any other components you removed to access the cable.
9. Reconnect the Battery: Reconnect the battery.
10. Test: Start your S-10 and test the speedometer to ensure it’s functioning correctly.
Important Notes:
* Repair Manual: A repair manual specific to your S-10's year and model is highly recommended. This will provide detailed diagrams and instructions, making the process much easier and safer.
* Year and Model Variations: The exact procedure might vary slightly depending on the year and model of your S-10. Be sure to consult a repair manual specific to your truck.
* Patience: This process can be time-consuming and require patience, particularly the instrument cluster removal and reinstallation.
If you're not comfortable performing this repair yourself, it's best to take your S-10 to a qualified mechanic. They have the experience and tools to do the job safely and efficiently.