Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Ok, I need to know which color wires at the switch had voltage
Ok, give me just a couple of minutes to pull the connector pinouts for this
This is on the headlamp switch, correct?
I show just one 11 wire connector
Can I get the vin number and try to pull the schematics by that
Ok, there should be 3 hot wires for power feed - red, pink and orange. Make sure to check with ignition in on position
There should be 2 hot with ignition off, red and orange and then pink with ignition off(this wire goes to the ignition switch.
If this is the case, then the switch is bad. If the pink does not have power with ignition on and switch on, then either a break in the pink wire or ignition switch on this circuit is bad
Yes, they are very prone to failure. I have replaced many of them over the years
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When they dont work, do you have power on all 3 wires
The most likely causes are either a defective switch out of the box with loose internal contacts, a loose wire at the connector itself, or a wire that is chafed and is intermittently grounding itself.
If there is power at all 3 wires when it doesnt work, then you know it is the switch that is simply defective out of the box
If there isnt, then trace the wire that doesnt have power and repair as needed.
While most of the time it will, I have encountered some that dont blow any fuses or relays, so always good to check