where are the fuses for headlights? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-03-2003, 12:05 AM   #11
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ok.. I took the battery out..charged it up and put it in the car.. The fog light was unhooked completly .. i cut the wires..and the problem is still there.. the light on the stereo came on..but as soon as i touched the power button it died., i turned the headlights on and everything went dim... the headlights both worked.. ..so im still quizzed as to why the problem is still there .. is that normal?
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Old 08-04-2003, 11:34 AM   #12
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Quote:
Originally Posted by bonnieboy23
ok.. I took the battery out..charged it up and put it in the car.. The fog light was unhooked completly .. i cut the wires..and the problem is still there.. the light on the stereo came on..but as soon as i touched the power button it died., i turned the headlights on and everything went dim... the headlights both worked.. ..so im still quizzed as to why the problem is still there .. is that normal?
Um, which part of your description above sounds like it should be "normal"?

Aside from all the weirdness you describe above, you still have not actually _blown_ any _fuses_, is that right? This suggests to me that you've got one or more missing ground connections; I think when you reassembled everything, you overlooked one or more crucial ground connections where a number of circuits come together and are supposed to be grounded. Since they're not, current in one circuit flows backwards through the others to seek ground.

For example, you said the light on the stereo came on, but when you touched the power button (to switch the stereo on), you closed that circuit (i.e. switched it on), and provided another reverse ground path. You were in effect now operating the stereo in series with one or more other things, so instead of it getting 12-14 volts, it was getting 6-7 max. Am I making sense here?



Okay, I know, it gets real tricky. Anyhow, you're going to have to retrace your steps, and/or get your hands on a factory manual so you can check each ground point connection and verify that it'* good. There are probably 2 or 3 in the dash, more under the hood, at least one in the trunk, etc. Several of the factory wiring diagrams are devoted to the ground-wire distribution; those are the ones you need to look at.

Sorry, but this can be a real headache to diagnose. Did you start with a working car and have this problem only after you put things back together, or did you buy this car as a carcass and you're restoring it for the first time since you bought it?
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