Sometimes when I turn on the fan for heat or A/C the dic, daytime driving lights and fan all go off. When I turn fan back off dic and lights come back on. The next time I drive it all works fine. this is on a 2001 GTP.
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06-17-2011
Sometimes when I turn on the fan for heat or A/C the dic, daytime driving lights and fan all go off. When I turn fan back off dic and lights come back on. The next time I drive it all works fine. this is on a 2001 GTP.
06-17-2011
Ive had a similar problem recently. It was fuel gauge, lights, and fan were not happy when i turned them on together...
06-17-2011
Fixed mine recently.
Exact same symptons: it was the ignition switch.
Replaced the switch and everything is now A-OK.
Here's how to confirm the diagnosis:
Sparky's Answers: 2002 Pontiac Grand Prix Blower Inoperative, Erratic
And here's how to replace the ignition switch:
Sparky's Answers: 2002 Pontiac Grand Prix, Changing The Ignition Switch
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