1997 chevy 2500 work van on 1997 Chevrolet Express 2500

The heat was only working on the highest speed for a while now. It stopped working completely and the fuse is good.

by in Crystal Lake, IL on December 10, 2010
1 answer
ANSWER by , December 11, 2010
Sounds like the blower motor resistor has failed. Check that out. You can see if it's burnt out.