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77 Ford heater problems

Tiny
NJNTJ2
  • MEMBER
  • 1977 FORD CUSTOM
  • V8
  • 4WD
  • MANUAL
My 77 ford 4x4 heater is not working properly. You turn the fan on and nothing comes out but when you drive down the road you get a forced air heat. I changed the under the dash heater fuse. What could the problem be?
Wednesday, March 2nd, 2011 AT 6:43 PM

2 Replies

Tiny
FORD MAN
  • MEMBER
  • 115 POSTS
The switch itself.
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Wednesday, March 2nd, 2011 AT 7:17 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,779 POSTS
Check to make sure the blower motor is getting power. If it is and still doesn't run, replace the motor. If there is no power, work back through the resister to the switch.
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Monday, March 21st, 2011 AT 2:50 PM

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