Question about 2004 Pontiac Grand Am

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Electrical problem I have a 2004 Pontiac Grand Am, last night I was driving and all of a sudden the lights started flashing, cutting in and out and the engine started doing the same. The lights then kicked off completely and I ended up driving home in the dark. Got it home, restarted it and the hazards started randomly flashing even though the button wasn't on. I'm thinking its an electrical issue somewhere, but no idea as to where. Any guesses on how to approach this?

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The best thing would be to check for codes on all the modules to see if one or more of them have seen a problem.This would probably show a U code.Which would mean a loss of communication in one or more of the modules.You need a scan tool that reads all the modules,not just the power control module.The only other thing that it could be would be the ignition switch.This is what powers the gauges and interior lights.Hope this helps.Good luck.Let me know what you find.

Posted on Feb 18, 2012

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Posted on Jan 02, 2017

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