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Old 09-23-2007, 03:41 PM
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stereo and alarm stopped working

my stereo and alarm stopped working in my 66 chevelle. everything else seems to work normally. i know almost nothing about wiring. i'm looking for some info or any links to websites that can explain the wiring of stereos and alarms. maybe there is a bad connection or something. any info would be appreciated. thanks, chris

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Old 09-27-2007, 11:18 PM
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Check the simplest thing first - have you verified the fuses are ok?
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Old 09-28-2007, 06:06 PM
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Where are the stereo and alarm hooked to? Straight to the battery or a fuse? Also, you could have a memory wire on your stereo that keeps the clock and stations programmed. They could have in-line fuses. Check those also. I could send you a wiring diagram of the car, but that wouldn't help you out any.

Thanks, and let me know how it goes!

Brian Larkin
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Old 09-28-2007, 06:25 PM
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It almost has to be a fuse,........ but, that opinion depends on wiring harness condition, quality of past work, recent modifications or disturbances, and/or any number of unknown things.

Try to figure out which wire is the "hot" (12V) wire at the alarm or at the stereo. Many times, but not always, the hot wire will be a red wire that may be a larger diameter than the other wires ....and maybe not. But a larger red wire is almost 100% sure a hot 12v wire.

Follow it back to where it either splices into another wire, or goes to the fuse box. See if you find a fuse holder in the wire as you trace it back. Obviously check the fuse in there if you find one.

If you trace the hot wire all the way back to the fuse box, then check the fuse at the location that the wire goes into.

I suggest you get a wiring diagram for your car, but if your harness is original, chances are good that it's a fire hazard waiting to happen, and a nightmare that will cause problem after problem. Find some help and get it re-wired.

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Old 09-29-2007, 01:00 AM
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stereo and alarm stopped working

1st check for a blown fuse between the battery and the firewall connector. I have found rusted thru firewall connections to be the problem in the past. It could be a simple problem, of a bad fuse box. Good Luck
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