Horn Relay Test? - Team Camaro Tech
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post #1 of 3 (permalink) Old Oct 21st, 07, 08:01 AM Thread Starter
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Rob
 
Join Date: Apr 2005
Location: Dallas, TX
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Horn Relay Test?

I think I might need a new horn relay but not sure. I have been having wiring issues since I brought the car back from paint. Is there a simple test to see if I need a new one? I relaced it 3 years ago. Maybe I some how shorted it when I was reattaching the front end wires? I know I killed the battery (doah!)
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post #2 of 3 (permalink) Old Oct 21st, 07, 08:51 AM
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Jim
 
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Re: Horn Relay Test?

other than the horn not blowing, nothing could go wrong with it.





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post #3 of 3 (permalink) Old Oct 21st, 07, 08:59 AM
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Jim
 
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Re: Horn Relay Test?

Quote:
Originally Posted by Dynawolf View Post
I have been having wiring issues since I brought the car back from paint.
This is mosty often bad grounds. Depending on the state of disassembly when the car was painted, a lot of them could bee affected.

I painted mine disassembled. When it was back together, the WHOLE radiator support (and of course everything attached to it!) was not grounding!

The fix is to use star washers, between all the ground wires and the new paint. The star washers will dig thru the paint into the steel and give you a good ground.

A "floating" rad support is extreme, but will cause all sorts of wiring issues. If you have the stock external reg, check it by measuring voltage from the regulator base to the alternator case. Should be zero volts. I ended up moving the small wire off the neg battery cable from the inner fender to the rad support to fix mine. I also had some dozen other bad grounds.





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