Disconnect the battery and let the vehicle sit for 20 minutes...
Remove the right side panel insulator (passengers side)...
Remove the (BCM) body control module and set aside carefully..
Disconnect the power plug to the blower motor..
Remove the screws holding the blower motor..
Remove the blower motor......
The heater blower motor itself is located under the hood on the passenger side of the car.
where is the heater core at
where is the heater core at
i broke down and paid to have this fixed. My mechanic said this is a fairly common problem on the older grand prixs. He had to replace the relay as well as the blower motor, total cost was $400.
You can replace the sheer core, on your 2004 Pontiac Grand Prix, by removing the water lines. Remove the four bolts that hold the heater core in place. Reverse the process to install the new heater core.
It is cheaper to replace the heater core than it is repair it
The blower rheostat on a 93 Pontiac Grand Am is located inside the engine bay, just to the right of the blower fan housing. It is almost directly behind the trans dipstick. It isn't that hard to replace.
The blower motor resistor circuit board has gone bad. Replace the blower motor resistor. I did Still dont work Try the fuses...Had the same problem and it was a blown fuse.
It's tough for an amateur. The heater core is inside behind the console.
blower motor resister is bad
How to change a heater core on a 1997 Pontiac grand am
it is located behind the dash. an you have to take the dash apart to get to it