2004 pontiac grand prix gt

electrical problem blower motor runs car on or off and wondering where to start if there is a hot line in the control or if a short the fuses all removed and the motor still runs where do I go next please Jeff


1 thought on “2004 pontiac grand prix gt”

  1. A short is possible. Power is supplied to the blower motor speed controller on the red wire that comes from the BATT Main 4 Fuse 10A int he under hood fuse block.
    Use the diagram to trace the power to see if there is a short.
    2004 Pontiac Grand Prix blower motor wiring diagram

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