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GMC Safari won't shift from park and blower motor on without key?
Wiki User
∙ 14y ago
The same thing happened to mine with the blower motor. The blower motor is run by 3 resistors and a relay. the first 3 speeds are controlled by the resistors and then when it gets switched to high the relay is energized and it puts full power to the blower motor. The problem is that the relay is stuck in the on position. When it finally does "burn out" you will no longer have the high speed on the blower. The relay and resistor unit is located on the heater box just under the blower motor under the hood. To get at it you have to take out the washer fluid and antifreeze reservoir. It is best to do this with the reservoirs empty. The new assembly is about $70. It is a pain to put in as you may have to cut a new sized hole in the heater box. A template comes with the new unit.
As for shifting. Your foot must be on the brake. If you are parked on a hill it can also jam you in park. If you are on a hill try shoving the vehicle up the hill a bit and getting it out of park. Not sure if this is your problem or not.
Wiki User
∙ 14y ago
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