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2003 silverado blower problem

The blower on my 03 silverado went out except for speed #5 the highest setting. I replaced the resistor, located at the feet of the passenger, and it brought back speeds 2-5. But the next day it didnt work again? What could be causing the resistor to go out?

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  • sandra566 Dec 07, 2008

    my ford focus 1800 turbo deisel .2003.model.heating failed. blowing cold any ideas please i have checked the fuses,also flushed the radiator.

  • gman100 May 11, 2010

    could be the iso connector on the dash loose, had same problem with 1.4 focus only worked on 4, took it to dealer who advised a loose iso connector can cause it to short

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I had the same issue & changed th resistor board 2 or 3 times. I took the fan out & had it checked for electrical issue. Was told that the fan was pulling too much amperage causing the resistor to overheat. replaced the fan and the issue stopped. Note that i bought an aftermarket fan motor due to it being $100 cheaper than OEM. That motor had a slight whirring noise (3 different AftMkt motors) but for the extra $100 I just put up with it. Turn the radio on and it masks the "whir"

Posted on Mar 21, 2013

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Maybe your blower motor relay has a short

Posted on Dec 06, 2008

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1 Answer

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