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08-05-2014
I know it's not a Grand Prix but it's still a 3800. I got a buddy with a 04 impala ss and yesterday he was swapping audio amps on his system and somehow the positive touched the ground. Now the car won't start or do anything, nothing works when he turns the key on. Only light that comes on is the engine light. No security light or anything. We have swapped battery's and checked all fuses. What could it possibly be? Any ideas would be appreciated.
08-05-2014
Might have fried some wiring
08-05-2014
Did you check the fuses under the hood as well and not just the inside ones?
08-05-2014
Yes checked all fuses and even swapped PCMs. Nothing works when the key is on. Only light that's on is the engine light. Car won't attempt to start or do anything.
08-06-2014
Unhook the battery cables and walk away for at least 4 hours.
Do interior lights, headlights, radio or anything else work with key on?
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