Is the Headlight switch for the Chevy Express 2500 defective
Is the Chevy Express 2500 van headlight switch defective and sensitive to not working after I repalced it with a new on? Are there any other people having problems with this switch?
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Open the hood. Look directly behind the head light assembly. There will be two bolts or two metal/plastic tabs that you have to pull up on. Most likely tabs. One could be hidden under the radiator cover. Pull out on the assembly, if something is still holding it, it is just pop out tabs. pull straight out. Twist out the socket and install in reverse order.
Either the headlight relay is stuck on, or the security system's headlight control is shorted and keeping the headlight relay on. Find the headlight relay (probably in a fuse and relay box under the hood), remove it and check the contacts with an ohmmeter. They should read open in a good relay, but will read little or no resistance if the contacts have welded together ( a possible result of rapid on-off cycling).
Well I don't see a fuse or fuseable link for the headlight circuit. In years past there was a circuit breaker built into the headlight switch for the headlights and fuses for everything else. I would check the red wire on the switch for power first. It could also be a problem with the dimmer switch.
Dome light issues with Chevrolet Express van. Easy Fix
To the right of the headlight switch/knob, there is a square plastic base for the "dimmer" It has a post-like button in the center .. above the post is a switch - it doesn't look like one (it reads "Dome Off"). Press it in, and the interrior lights will come on when the doors open, etc. I just had my van serviced, and had to do this myself.
it is either a defective switch or a stuck relay. the first thing that I would do would be to replace the relay and then check it. If it still stays on then you have to replace the headlight switch.
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