when motor is off i hear a noise that sounds like a fan running. it is draining my battery. what could it be?
What is your question?
hearing a fan running like noise, everytime key is off. this is draining my battery
What makes this problem better or worse?
haven't found anything to make it stop.
How long has your 2005 Chevrolet Trailblazer had this problem?
very short time. killed 1 battery already.
1 Reply
Popular Answer
pushrodon Dec 3, 2019
It is indeed a fan noise - the HVAC blower is remaining on. Normally due to a failed blower motor resistor module.
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