Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

Bad ground, ideas on where to look?

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Old May 13, 2005 | 02:16 AM
  #1  
87GTAspeeder's Avatar
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From: Cali
Car: 1987 GTA :)
Engine: duh! 5.7 TPI
Transmission: Stock
Bad ground, ideas on where to look?

OK, after hunting around and trying to find exactly where I'm shorting I still haven't found it, but here's what I know!
I'm getting a short at the interior lights (all of the courtesy and door lights), at the door lock mechanisms, and the accessory remote turn on for the stereo. I'm getting power at the main power on the stereo, and from the accessory fuse on the fuse box. But no power from the door lock fuse. Any ideas would be appreciated. Thanks!
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Old May 13, 2005 | 08:32 AM
  #2  
firebirdjosh's Avatar
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From: Worcester, MA
Car: 86 T/A
Engine: HSR 355
Transmission: 700R4
Axle/Gears: 2.77 posi
Why assume its a bad ground? Could be a pinched wire or a loose connection as well.
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Old May 13, 2005 | 09:19 AM
  #3  
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
Have you checked the 35 AMP circuit breaker that supplies power to the power locks. It is one of the two metal units in the fuse block.
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Old May 13, 2005 | 03:24 PM
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87GTAspeeder's Avatar
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From: Cali
Car: 1987 GTA :)
Engine: duh! 5.7 TPI
Transmission: Stock
Ok, 1. I'm assuming it's a bad ground b/c everything went after hitting a major pothole on the road (damn california roads!!!!). I could very well be wrong, but I'll start there and see where it goes. Testing for power, I know it's the power wires which are the mem/battery line on the stereo harness (which also is the power antenna), the cigarette lighter socket, all of the interior lights, and the door lock mechanism.

TRICKSTER: the first thing i did was replace the breaker I tested it and it appeared fine, but replaced it anyways. I am getting no power to that particular breaker also. That is leading me to believe the ground or shrot is before that but am not quite sure where to look beyond that since there's so many wires and grounds lol. They make wiring way more complicated than it needs to be lol. Anyways, I'm still looking so ANY help would be appreciated. Otherwise I'm gonna end up doing a 1000 mile rountrip drive tomorrow with no stereo or courtesy lights lol.

Also, between looking at wiring diagrams, physically looking at wires and such, I know the short is somewhere along the 20amp acc fuse box. Even the door locks are tapped in. At least I'm pretty sure that's where it is lol.

Last edited by 87GTAspeeder; May 13, 2005 at 03:32 PM.
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Old May 13, 2005 | 03:51 PM
  #5  
87GTAspeeder's Avatar
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From: Cali
Car: 1987 GTA :)
Engine: duh! 5.7 TPI
Transmission: Stock
I found it!!!! Loose ground past the fuse block, was hell to get too which is why I was having a hard time finding it, it was behind all the wires. Thanks for the input though guys!
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