My 2011 JGC blower will run on any speed for about 30 seconds then switch to low for about 6 seconds then back to higher speed ect. ect, ect. I have replaced the modual but it didn't fix problem. Cou
Update. I installed a new fan motor. Still doing the sane thing. The funny thing is that it always goes to low speed for 5-6 seconds and then back to a higher speed.
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