You changed the control resistor and you still dont have a speed 5 on the heater fan you checked the fuse for the Fan and it is good. Is there another fuse for the High speed 5 setting 2001 Grand Am?
I believe you have a relay that runs the high speed for the heater fan motor. The relay should be located in the power distribution box under the hood.
Why did my Heater in my 94 12 Ram 1500 suddenly quit blowing ..I changed out the heater control cluster plugged in a new blower motor and checked the fuse..still not working what to do next?
On a 300m the blower is stuck on high and can not be controlled with the switch is there a sensor for the blower to control it?
Something called a blower control module takes the place and is found in the hole where you would find a blower resistor, so there isn't a blower resistor in that vehicle. As far as the blower control module is concerned, the module is serviced as a unit. No part can be fixed or replaced. This is not to be confused with the control head in the dash. The blower control module is held into the…