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Re: heater mind of its own
I'm not sure what year car we are talking about, but sounds like it could be a short in the blower motor. It can happen to any motor of any age, but the older one gets, the more likely for it to happen. If it's an older unit, the cold could be affecting it, and then when the engine compartment warms up after driving for awhile, the motor becomes warm and operational again. Has the blower motor made any noises when it was on in the past few weeks?You could also check the electrical connection to make sure it is on all the way, and clean.
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