1999 Pontiac Grand Prix

the heater motor keeps running with the key off where is the problem?


1 thought on “1999 Pontiac Grand Prix”

  1. If equipped with a blower motor relay, check/replace first, if not then:

    If you have Automatic climate control: Check/replace the Blower motor control module
    If you have manual A/C controls: check replace the blower motor resistor

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