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Chevrolet Cavalier Electrical System Questions

I have a 96 chevy Cavalier. The horn went on by itself when no one was in car. I had to disconnect horn from the wire to it. Now the airbag cover where I hit to activate the horn clicks alot. I think the hornpad or relay is bad. Does anyone know anything about this or how to fix it.


  • I have the basic Cavalier, standard shift, etc.. The basic am/fm cd radio.

    The problem, I can't set the clock, never could ! Read the manual and I don't have the button they say I do on my radio.

    Before, the clock was right 1/2 the year here on the East Coast. Today I had a new battery put in and now it's totally not close to the time of day and now never will be :(

    Anyone know how to set the clock on a 2002 Cavalier ???

    Thanks much, tommy
  • Hi,
    I bought a 2000 Cavalier for my teenage daughter this year. It ran great thus far until Monday morning when she called me at work frantically and stated her car won't start. Needless to say, she missed her school on Monday. Anyway, I helped her to take the battery to the nearest auto shop and had the battery tested out. We brought home a new battery, install it, and the engine starts without a doubt. This morning she realized none of the gauges are working. Anyone know what went wrong?

    Thanks in advance,

  • gonogogonogo Posts: 871
    A new dash came out in 2000, the panel processor has a glitch, when the battery is disconnected it ceases to function. A fix was installed starting 2001, not backward compatible.
    Try this, turn the ignition key to run, pull the panel fuse for a few seconds and reinstall, panel should come to life.
    Fuse panel is located at end of dash, open drivers door to access. Pull fuse marked [CLSTER].
  • Thanks buddy. I will try it tonight and report back my finding.
  • Thanks a bunch gonogo. Your tips fixed the problem.
  • tpdeeltpdeel Posts: 2
    My horn is not working. I've checked the fuse in the fuse box located in the panel inside my car, and the fuse looks fine. I cannot find the relay for the horn although a mechanic told me it was under the hood. Where can I find it? Also, I was told to check to see if a wire was loose, but where do I look for that? In the steering wheel? If so, how do I get the front off? I'm ignorant when it comes to cars, so any advice is appreciated. Thanks in advance.
  • hoodlatchhoodlatch Mid-westPosts: 255
    Before you spend alot of time tracking down shorts or grounds, try hot wiring direct from the horn to battery to make sure horn does work. :)
  • tpdeeltpdeel Posts: 2
    I finally ended up taking it into the dealer, luckly it was under warranty. They told me that the relay switch was bad, but the horn was fine. Thanks though.
  • hansbhansb Posts: 1
    I am experiencing the same problem. I an told that the horn pad consists of tw plates with foam inbetweeen. This foam now has crumbled, causing the spontanious contact.
    My problem now is that I do not know how to disassemble the pad since there is also an airbag. anyone knows?
  • gonogogonogo Posts: 871
    Too long to explain here, get Chilton or any book that has the information.
  • pmckennapmckenna Posts: 1
    fan not working but when I turn blower on inside of car the radiator fan starts?
  • please help i cant get my dash lights to go out even with the keys removed and head lights out the dash lights stay on do i fix this thanks
  • karen30karen30 Posts: 1

    I had a bit of a problem with my 2000 Cavalier this morning, and I was hoping someone could help me.

    I started hearing this noise like really loud radio static coming out of the steering wheel/gauge area this morning. It stopped when I turned on my blinker. I got home, took the blinker fuse out and it stopped. Put a new fuse in, and it started up again. As long as there is no fuse in, it doesn't make that noise.

    Any ideas what could be causing this?
  • I recently bought a 2001 Chevy Cavalier after about 2 months i was having problems with it starting and then the battery dying well it ended up just being a loose groundwire but in this long draw out process i discovered that the thing you plug the computer into to find out what code is setting off my different dash lights doesn't work it won't put anything out...this has happened on two different machines..i am aware that there is a fuse that could cause this to happen (my fuses in my fuse box on the side and the ones under my hood have been checked) what i'm wondering is there anywhere else this fuse could be...and if not and the thing is just broken how much is this going to cost to fix?? Any Help is appreciated thanks in advance! Kayla
  • gonogogonogo Posts: 871
    look for the cig fuse, that is power to the diagnostics.
  • Thank you very much good tip i will go ahead and check that out and let you know! Thanks again
  • I have a used 2001 cavalier, and I have this problem with my stereo, I am guessing that I need an unlock code to calibrate my stereo, is there any way i can do this on my own or do I have to take it to a dealership that specializes in chevs? I took it back to the one I bought it from but they said they cant do anything for me because they dont know anything really about them, idiots I tell you. Any help would be great thanks !
  • sean_isean_i Posts: 2
    I drive a 1996 Chevrolet Cavalier Z22. When I turn on the headlights the "ext lamp" fuse blows and my dash board and break and signal lights go out. But when the headlights are off and I hit the breaks the same tail lights turn on and the signals will still work. I have replaced all of the bulbs that are effected and the problem still exists. If someone could provide some additional information it would be greatly appreciated.
  • gonogogonogo Posts: 871
    Not sure what you have there. Here is a schematic of your wiring out of a Chilton, not sure how accurate it is. Maybe it will help.
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