2002 Chevrolet Avalanche 2500 Q&A
2002 Chevrolet Avalanche 2500 Question: fan speed
The fan switch could be the problem with the HVAC blower of your 2002 Chevrolet Avalanche. The fault could also be the relay or a connection issue anywhere in the blower motor circuit. I complete diagnoses of the blower motor may be necessary to isolate the cause of your fault. - Oakman
i asked a question earlier about this being a possible problem with the fan speed switch. in the defroster or vent mode very little air flow on high. when turned to bi-level an...