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Recurring electrical problem with ac/h and dash lights.
2003 Buick Rendezvous

Recurring electrical problem with AC/H and dash lights.

(2003 Buick Rendezvous)
My local dealer service has been trying to fix this problem for over six months: AC/H does on and off. Either it will not turn on when I start the car and then (sometimes) it will come on when I hit a bump. Or, it will come on when I start the engine, and turn off when I hit a bump.

I am only a university literature professor, but that seems like an electrical wiring short or loose connection to me. So far, the electric techs have changed fuses, changed out fuse boxes, changed controllers on blowers, and the problem is still there. Certain lights on the dash (i.e., oil/engine warning lights, A/C lights, etc.) come on erratically, but now the techs say they can't find or replicate the condition.

What do I do now?!
1 answer & 0 comments
Popular Answer
on December 06, 2010
Take you vehicle to a shop that does not work on flat rate pay system, they may put more time and effort in diagnoses and repair.
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Electrical System Diagnosis
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on December 06, 2010
Take you vehicle to a shop that does not work on flat rate pay system, they may put more time and effort in diagnoses and repair.
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