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I have a 1993 Chevy lumina van that has heat but doesn't have a fan how do I fix the fan?
Remove the wiring harness from the back of your 1993 Chevrolet Camaro blower motor. Remove the blower motor retaining nuts. Remove the fan from the front of the blower motor. Reverse the process to install the new blower motor.
Resistor pack on blower motor? Fan switch? Low speed relay?
If you remove the breather box from in front of the blower motor you can reach the three retainers.
Remove the wiring harness from the back of the blower motor in your 1993 GMC 1500. Remove the blower motor retaining bolts. If the new blower motor does not have the fan attached to and you will need to remove the fan from the old blower motor. Reverse the process to install the new blower motor.
At the firewall on the passenger side
see link below
You will have to replace it. The bearings are worn out in the blower motor.
In the fan box behind the glove box.
You have a bad blower motor resister..........
You will need to remove the fan and check for debris in it.
Open hood . Disconnect blower module located near blower fan. Disconnect, if blower shuts off, repalce module