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Old 10-08-2013, 10:25 PM
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brewski
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Default Re: HVAC Fan Regulator Replacement

Hey,

I recently followed yours and another members helpful how to entitled Crossfire Blower Motor and Resistor Bench Test. I found it quite helpful.

As per the write-up, I used a multi-meter to test my battery - 12+ volts, despite being the original battery.

Then checked all the prescribed fuses - which checked out. I then applied power and ground from the battery to the connections on the blower motor which caused it to spin. Finally, I checked the Control Module output. On fan speed #5, I got 7.26V.

As such, I have concluded that like others, the Blower Motor resistor is the culprit. Has anyone had any problems with the URO part? I have heard they are not good quality

Thanks for the write-up, I have found this forum to be an invaluable resource,

Brewski
 

Last edited by brewski; 10-08-2013 at 10:42 PM.