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Heater blower motor


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dow321
Novice

Sep 17, 2013, 5:38 PM

Post #1 of 2 (653 views)
post icon Heater blower motor Sign In

I have a 1997 GMC K1500 Suburban. I switch my fan speed from high down 1 notch and back and forth. I heard a clicking sound in the blower motor area. The fan would not come on. I left it on high. After a while it came on...then stopped....then on again a while later. It has no even timing for the on and off...it is just sporatic. What can cause this? Winter is coming and I need my blower. Any help would be appreciated. It is the oddest thing. I did hear a clicking noise when I turned the switch but the fan did not come on.


(This post was edited by dow321 on Sep 17, 2013, 5:41 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Sep 17, 2013, 5:50 PM

Post #2 of 2 (642 views)
Re: Heater blower motor Sign In

The next time it happens, give the blower motor a good rap with a screwdriver handle and see if it starts up. If it does, the motor is bad. If not, test to see whether it's power or ground missing from the motor.



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