Heater &AC blower motor will not work in 2000grandam se? Already replaced blower and resistor.Still nothing?
Fuse shot, or a fuseable link after the fuse, but before the blower motor...
Check the power supply... Check fuse relay Check for power through the on/off switch Check for proper grounding That's all that's left... provided the new motor is good. - Good Luck!
Check the fan switch, it may be shot.
