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Tim Mohr
Tim Mohr, ASE MASTER TECH
Category: Mercury
Satisfied Customers: 15121
Experience:  30 YRS EXPERIANCE, AUTO AND TRUCK,FOREIGN AND DOMESTIC, GAS AND DEISEL
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How can I test for bad blower fan motor for ac/heat

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How can I test for bad blower fan motor for ac/heat
Hi, my name is XXXXX XXXXX are easy to check, you will need a test light or voltmeter, you need to check for power on the blue/green wire at the blower, with the key on and the heater blower on high, if you have power there, ground the orange/black wire, if the motor does not come on, then the blower motor is bad, if the blower does come on, then you have a bad resistor, it sits right next to the blower motor,Tim
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