1991 Camaro Electrical Issue - Team Camaro Tech
Electrical & Wiring Troubleshooting electrical.

 
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post #1 of 5 (permalink) Old Aug 19th, 05, 05:51 AM Thread Starter
 
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1991 Camaro Electrical Issue

I was recently driving my '91 Camaro to work when all of a sudden I hear a popping noise and instantly everything shut off. There was no electricity coming into the car at all other than to the alarm. I had it towed to a mechanic who worked on it for two days with no result but his hands in the air. He checked the battery and it was fine. He then started to check the fuser link and it was fried. Replacing the fuser link and then trying to start the car burned out the fuser link instantly. He figured it must have been a short so he started investigating the components on either side of the fuser link. He said he got it down to the main circuit board and then down to the oil pressure switch. Leaving the oil pressure switch unplugged, he was able to get the car started. As soon as he plugged the switch back in, it blew the fuser link again. Figuring it was definitely the pressure switch, he ordered a new one and replaced it. Turned the car on and the fuser link blew...again! Disconnected the pressure switch to atleast get the car started and still nothing which means it wasn't really the oil pressure switch in the first place. He has since given up on it and told me to come have it towed out of there as soon as I can. Does anybody know what could be causing this?? There is absolutely no power coming INTO the car from the battery. Any help is appreciated!! Thanks in advance.
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post #2 of 5 (permalink) Old Aug 19th, 05, 11:59 AM
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Re: 1991 Camaro Electrical Issue

fubar
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post #3 of 5 (permalink) Old Aug 19th, 05, 12:19 PM
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Re: 1991 Camaro Electrical Issue

Quote:
Originally Posted by Rickdef17
fubar
Very helpful.

Quote:
Originally Posted by mcrysler
… Leaving the oil pressure switch unplugged, he was able to get the car started. As soon as he plugged the switch back in, it blew the fuser link again. Figuring it was definitely the pressure switch, he ordered a new one and replaced it. Turned the car on and the fuser link blew...again!...
Sounds like a wire shorted to ground somewhere. You will need to trace the wires. That guy gave up after doing the hard part. Get the wiring diagram out and start looking/probing.

Scott from NJ. Stay thirsty, my friends


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Feather-light suspension, Konis just couldn't hold
I'm so glad I took a look inside your showroom doors


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post #4 of 5 (permalink) Old Aug 19th, 05, 12:25 PM Thread Starter
 
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Re: 1991 Camaro Electrical Issue

Yeah. The fusable link that keeps blowing is the one next to the starter (link B). I can't seem to find out what is causing it to short out though. I know there were three new gauges installed recently so I wonder if maybe one of those could be doing it. Also, I had to have a fuse replaced in the horn in order for it to work. Other than that, everything is stock. I'm lost though!
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post #5 of 5 (permalink) Old Aug 19th, 05, 07:20 PM
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Re: 1991 Camaro Electrical Issue

Like I said, you need the wiring diagram. I'd start at the the OPS and work backwards.

Scott from NJ. Stay thirsty, my friends


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Feather-light suspension, Konis just couldn't hold
I'm so glad I took a look inside your showroom doors


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