Question about 1993 Chevrolet Beretta

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I had a small fire caused by what I think is a loose ground wire that was not attached to my amp anymore. It burnt the driver side of the back seat and i assume any wiring in that area. The car will not start and i do not hear the fuel pump turning on. I am about to gut the interior of the car to survey the extent of the damage. Any ideas of what wiring harnesses or wires that would be running from inside the care to the trunk in that area that would cause the fuel pump issue? Could it be that the faulty ground that started the fire is keeping it from getting power? I used a ground in the trunk on the driver side wall of the trunk. Any ideas would help me know what to look for as i remove the seats and interior carpet.-Tony Fort Wayne, IN

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Amps draw a lot of current so it should have been fused to avoid this problem, but since it happened, chances are the fire damaged the harness and burned through wires. When you take it apart you will see the area of damage. and you will have to repair or replace the damaged sections. the wire that caused the fire was probably the positive feed to the amp, somewhere it grounded out and since it was not properly fused it got very hot and damaged a harness that was close by or touching the feed wire.

Posted on Mar 22, 2011

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  • tonyrhmartin Mar 22, 2011

    It was fused in two different spots. I replaced all of the wires i saw matches to yet three thicker gauge wires remain. a white one a red one and a black one that has multiple smaller like 20 gauge wires in it. I still have no power to the fuel pump and cannot find anywhere to splice the aforementioned 3 wires. The relay has all of the wires attached and i do not see any other holes in the floor to go to the pump.

  • mike mountain Mar 23, 2011

    did the fuses blow? Have you checked all the fuses in the cars' power distribution box, and try swapping out the relay for the fuel pump with another relay (like ABS, or horn relay)? just a thought, but when you pull the rear seat out, pull the carpet above the fuel tank and see if there is a plate you can remove to access the fuel pump You'd then be able to trace the wiring from the connector/harness into the interior and maybe find the break. if there is no inspection plate, you might end up dropping the tank, not an easy job especially if it is full of gas. the burned wire needs to be located and puling apart the rear of the interior will find it.

  • tonyrhmartin Mar 27, 2011

    There was a 20 amp fuse in the engine compartment on the top of the firewall near the relay. It wasnt hard to find once i starting following the wire that left the relay but it was not labeled anywhere. It merely had 2 wires going in and thats it. it was a pain to get it out as it had a push in plastic type thing holding it to the bracket so i just broke the thing off and opened it up. There it was the solution to my problems. Replaced it and it started right up

  • mike mountain Mar 27, 2011

    nice job, Tony



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