Quote:
Originally Posted by jgold47
Couple of places to start. Your symptoms sound like a bad gm3 module. Google gm5 and you should find a site with info.
The other issue could be alternator/battery related. These cars start going crazy when the battery has issues.
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NOT A GM3 MODULE PROBLEM! Not a battery or alternator problem either.
Since you found corrosion on the connectors in the door wiring then you need to replace the door wiring harness and probably the PM-SB/FT module as well. The PM-SB/FT module is basically the switch unit on the door.