replacing resistor on 2004 GMC Canyon

the heater blower switch only works on high how do u replace it and where is it located

by in Clinton, IN on August 27, 2012
2 answers
ANSWER by on August 27, 2012
NEXT TO BLOWER MOTOR. YES REPLACE IT ALSO CHECK PLUG FOR SIGNS OF HEAT FROM BAD CONNECTION NEW PLUG AVAIL. FROM NAPA.
ANSWER by on August 27, 2012
MOUNTED IN HEATER BOX BUT REPL WIRE HARENESS ALSO
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