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Stanley Herrera

Stanle ... 8/4/2010

2004 Chevrolet Colorado LS 5 Cyl 3.5L

Body & Interior

I changed out my blower motor and resistor and it did not work, Can it possible be my fan switch? My fuses are all good,

1 Answer


HouseCallAuto 8/5/2010

1. Verify blower motor has good battery voltage to it on the Brown wire.

2. At the dash switch the Black wire is a ground and the fan switch will ground the Orange wire to run the blower on high speed.

3. Add a ground to the Black wire, if now runs at all speeds, repair poor ground.


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