Ok. I am new to your site but not to forums. I did some reading yesterday and did not find what I am looking for. I will make this as shot and to the point as i can.
I just purchased a 1998 Grand Prix. Got it at a good price since the blower motor is not working any speed.
Here is what i have done so far.
1. New Blower motor.
2. New Blower motor module <-- Yes Module. part # 52479971. Please see pic.
http://l458.com/misc/BlowerMotorModule.jpg
3. New Starter switch and wiring harness.
4. Cleaned ground connectors.
5. New Head unit. <-- old and new work the same
6. Fuses are good.
Ok. after all this the blower motor will now run but only runs on #1 & #2 setting. If i go up any higher the motor will cut on and off a few seconds then stop all together. I have checked the wiring harness for cut wires and also found no defects.
Well Obviously i am missing something. My only other guess is I have another bad Blower motor module. But before i go out and spend another $120.00 for this part I thought would pick you brains.
BTW, all the sites i have gone to, None of them show this module. they are all totally different.
Any help is much appreciated.
