2004 Chevrolet Avalanche Repair Question
Asked on January 2, 2011
Heater fan
Heater fan running after engine turned off and runs down battery. What causing fan to stay on?
Asked by Cathy SmytheAnswer
Replied on January 2, 2011
Where applicable, change the blower relay/resistor assembly for manual hvac system.
Replied on January 2, 2011
I assume you have Automatic Temp Control system. The problem is likely a bad Blower Speed Control Module. If it's not ATC, then the resister that takes it's place is bad.
Replied on January 2, 2011
Thank you for your assistance....Cathy
Replied on March 11, 2011
Closing out question