2004 Pontiac Grand Prix Q&A
2004 Pontiac Grand Prix Question: Blower motor won't work.
I put in a new resistor and blower motor, but I get nothing from the blower no matter where i set the fan speed control knob. I had to put in a new everything because the original blower motor got hot and melted through the plastic housing, but the wiring appears to be ok. - RUKZ
The purple wire to the blower motor is your hot wire. If you don't have voltage there check the red wire on the blower resistor for voltage. If you don't have voltage go to the underhood fuse block and check the "Batt Main 4 fuse" a 30 amp. This is what powers the resistor. Also check the HVAC fuse which is a 10 amp. Hope this helps - ProChevy
My heat is stuck on high without the option of being able to adjust the temperature as well. Even if I shut off the car the blower motor continues running so I have been disconnecting the cable und...
My car is a 1998 grand prix gt. New air conditioner blower motor. The controls have 1-5 but 1 and 5 do not work. I was told that it could be a relay switch