my 94 gmc sierra the heater fan motor only works part time have changed the ac heater controller already some morning can go out start it up works fine some morning the fan will not work and idedas

Asked by chuckmcclure Oct 28, 2016 at 08:10 PM about the 1994 GMC Sierra 1500

Question type: Maintenance & Repair

1 Answer

725

Check you blower motor resistor module. It has the wire that plugs right into the blower motor.

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