Having problems with your Chevrolet Silverado 1500 ?
The fan on my 2000 chevy silverado only works on 3,4, and 5 what is causing this and how do I get to it
The problem is the blower motor resistor module.It is located on the passengers side by the blower motor under the dash panel.Just locate the blower motor and the connector goes from the blower motor to the resistor.I believe there are 2 screws that hold it on.Make sure you check the connector and look it over for melting or getting hot.Hope this helps.Good luck.
Repair Help & Product Troubleshooting for Chevrolet Silverado 1500
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