BLOWER STAYS RUNNING WITH KEY OFF

Asked by mikebland Jul 15, 2019 at 11:00 AM about the 2010 Chevrolet Malibu LTZ FWD

Question type: Maintenance & Repair

I have a 2010 Malibu. My blower stopped working. I replaced blower motor and the blower motor resistor and the blower motor resistor connector. Now the blow only runs on one speed and will keep running after the key is shit of and not even in the ignition. Any suggestions on what else it could be? Thank you

1 Answer
26,870

oilyspill answered 4 years ago

The diagram is for manual hvac. If you pull that top fuse, it should kill the blower motor. Of course that isn't the proper fix, at least the blower motor won't run all the time. In the diagram, see high blower relay, when that relay is energized, only continuity for hi speed. When relay is not not energized, continuity for lower speeds. Two sides to a relay, one side is the load side, the other side is control side. Any applicable hvac trouble codes? I see the bcm and hvac control module, don't replace anything unless your testing points in that direction. Anybody else have any suggestions, jump in, won't hurt my feelings. You may need to put in shop for proper diagnosis, I'd hate to see you replace something and it not fix it.

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