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Heater/AC blower went out

Tiny
LACHUGY
  • MEMBER
  • 1998 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 178,000 MILES
My heater/ac blower went out but if I let the truck sit overnight it works the next day but only for an hour or so. What is the main problem?
Sunday, January 9th, 2011 AT 1:45 AM

4 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
So it doesn't work on any speed when it's inop?Without doing some testing we won't know the problem. Do you have a multimeter to do some testing?
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Sunday, January 9th, 2011 AT 1:59 AM
Tiny
LACHUGY
  • MEMBER
  • 3 POSTS
Only the back fan works. But the main blower works on and off. Like yesterday it worked for about an hour then shut off but tday it starting working and then shutoff. Im thinking an electrical problem just because it works whenever it wants. Is there anyway to tell what it is without a multimeter?
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Sunday, January 9th, 2011 AT 2:05 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Without a multimeter you won't know if your loosing power or ground to the blower motor. So you will just be guessing to what is wrong that could get expensive. You could try wiggling the connector to the motor and see if the terminal's are loose.
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Sunday, January 9th, 2011 AT 2:52 AM
Tiny
LACHUGY
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  • 3 POSTS
Oh gotcha. Thanks
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Sunday, January 9th, 2011 AT 5:59 PM

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