1957 Chevy Headlight Switch Wiring Diagram

The 1957 Chevy is a classic American car that is still admired today. If you are a proud owner of this vehicle, you may need to replace or repair the headlight switch at some point. This article will provide you with a wiring diagram and some FAQs to help you understand the process.

Wiring Diagram

Before we get started with the wiring diagram, let’s first understand the headlight switch. The headlight switch controls the headlights, parking lights, and dash lights. It has four positions: off, parking lights, headlights, and high beams. The switch also has a built-in circuit breaker that will trip if the circuit is overloaded.

Now, let’s take a look at the wiring diagram:

Wire Color Function
Yellow Headlights
Light Blue High beams
Brown Parking lights
Black Ground
Gray Dome light
Red Battery positive

Now that you have the wiring diagram, it’s time to start the repair or replacement process. Here are some FAQs that may help you along the way.

FAQs

1. How do I test the headlight switch?

To test the headlight switch, you will need a multimeter. Set the multimeter to the continuity setting and connect the black lead to the ground wire on the switch. Then, touch the red lead to each wire on the switch. You should hear a beep when the switch is in the on position. If you do not hear a beep, the switch may be faulty.

2. How do I remove the headlight switch?

To remove the headlight switch, first disconnect the battery. Then, remove the bezel around the switch. Next, disconnect the wires from the switch and remove the switch from the dash.

3. How do I install the new headlight switch?

To install the new headlight switch, connect the wires to the switch and secure it to the dash. Then, reattach the bezel around the switch. Finally, reconnect the battery.

4. What should I do if the circuit breaker keeps tripping?

If the circuit breaker keeps tripping, it may be due to a short in the wiring. Check the wiring for any signs of damage or wear. If you cannot find any issues with the wiring, the switch may be faulty and should be replaced.

5. Can I replace the headlight switch myself?

Yes, you can replace the headlight switch yourself if you have some basic knowledge of electrical systems and the right tools. However, if you are not comfortable with this process, it’s best to take your car to a professional mechanic.

By following this wiring diagram and our FAQs, you should be able to repair or replace the headlight switch on your 1957 Chevy. Remember to always disconnect the battery before starting any electrical work and to exercise caution when working with electrical systems.