What do I need to do to get heater fan running on 1990 Chevrolet G Series Van (G20)

Front hheater/defroster fan won't run. It has a new blower motor. Power comes into switch and blower. When I bypass inside switch inside fan still doesn't run.

by in Bethlehem, PA on January 24, 2011
1 answer
ANSWER by on January 24, 2011
I always suggest checking the blower motor resistor and wiring harness/connector.

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