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Blower does not work at all until you hook it directly to 12v

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  • Dodge Master
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Check for power in and out of resistor. Normally located on firewall on passenger side underneath sill area, behind shock mount. Normally it will run on high only, if resistor gone, but I have had some that quit completely, so checking voltage on both sides of resistor, with fan on, should tell you.
The power goes through the resistor then to motor. If not on firewall, follow wires from motor, back to connector at duct work, which should be the resistor, or resistor will be near there.

Posted on Aug 07, 2010

  • bryanharvey2 Aug 07, 2010

    I have replaced the blower resister today with a brand new one and it still doesn't blow. Is it possible that the fan switch itself may be broken



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My blower stopped working I replaced the resistor and it still doesn't work! And I don't wanna have to buy a blower if its not the problem

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I assume that you have checked the fuses already. If no - it is a good idea to check.


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Ok, my blower was not working at all. It used to work on the 2 and 3 setting. I replaced the resistor nothing. Took out blower and hooked it up to 12 volts it came on. So I went and bought a new control...

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Please vote if this helps

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