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Heating & Cooling 3rd Gen Dodge Ram Heating & Cooling Problems and Questions.


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  #1  
Old 09-30-2012, 10:27 PM
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Angry '07 SLT Mega Cab A/C just quit....

Any advice? Nuthing except the A/C light comes on. Even with the A/C button off, the blower doesn't blow at any of the fan speed settings. Help!
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Old 10-01-2012, 01:00 PM
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The most likely culprit is the blower motor resistor. Use a test light to test for power on the pk/lg wire with the ignition in the run position. If the test light burns brightly, you most likely have a bad resistor. Less likely is a blower motor failure. Make sure to check the connection to the resistor as it may be melted.
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