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Fan only works on high only

Tiny
CRAIGWESTER
  • MEMBER
  • 2005 PONTIAC G6
  • 6 CYL
  • 2WD
  • AUTOMATIC
I replaced the blower resistor under the glove compartment. The fan worked on all speeds for a few minutes and then it now only works on high again. Is it possibly the fan blower or the fan control switch that is also faulty?
Sunday, June 21st, 2015 AT 7:26 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
On the lower speeds, did you check voltage at the blower motor. If you have voltage, I think the blower motor is faulty.

You could go further and check blower motor amp draw at the lower speeds. It would have the lowest amp draw at the lowest speed and so on. Just my opinion.
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Sunday, June 21st, 2015 AT 9:32 AM

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