Heater Cores and Blower Fans
Pontiac Grand Prix
Grand Prix GT

1997 Pontiac grand prix heater inop on 1 2 3 4 will work on 5 after a while also the drl's come on when fan switch is turned on Any ideas?

Answer

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Wiki User
12/01/2006

The points terminals are probably dity ! Try blowing compressed air into the switch !