How To Repair A Chevy Tailgate

How to Repair the Dimmer Switch on a Chevy Truck

past Jack Hathcoat

pickup truck image by Tonda from Fotolia.com

Older models of Chevy trucks use a dimmer switch that is repairable. New styles are not repairable, and replacement is the only option. General Motors produced the adjustable switch for decades, and information technology is located on superlative of the steering column. An activator rod extends the length of the column, starting at the plough-signal, dimmer-switch lever and ending at the switch.

Step 1

Remove the lower trim plate, just nether the steering cavalcade, with a Phillips screwdriver. Shine a flashlight under the dashboard, and spot four bolts that adhere the cavalcade to the steering column mounting bracket. Remove the bolts, and lower the cavalcade, until the steering bike rests on the driver'southward seat.

Step ii

Operate the dimmer switch lever several times, and smooth the flashlight forth the top border of the column. A slender rod should move, as the lever is retracted and released. The rod is routed into the dimmer switch. Verify that ii wires are plugged into the switch, which is a round, metallic canister.

Step 3

Utilise a wrench, and loosen the ii mounting bolts that concur the switch in place. It mounts in place with the ignition switch, so practise not completely remove the screws. Lightly pull the switch forrad, while operating the switch handle. Stop when the switch no longer clicks on and off. Information technology is too far frontward, if information technology does not have a distinctive click audio, as it operates. Accommodate the switch at the nearly forrad limit.

Plough the headlights on, and operate the switch. Verify the headlights change from bright to dim. If the switch fails to work after this repair, replace it. Reinstall the steering column, and replace the under-column trim panel.

References

• "Truck and Van Repair Manual", Chiltons: 1990

Tips

• By moving the switch forward, the contacts now press more firmly together. If there is light oxidation on the contacts, enough to prevent the switch from working, this repair procedure improves the connexion, and there is a practiced hazard the switch volition work.

Things You'll Need

• three/8-inch socket gear up
• Flashlight
• Wrench set

Writer Bio

Jack Hathcoat has been a technical author since 1974. His piece of work includes pedagogy manuals, lesson plans, technical brochures and service bulletins for the U.South. military, aerospace industries and inquiry companies. Hathcoat is an accredited technical instructor through Kent Country University and certified in automotive service excellence.

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