77 FORD HEATER PROBLEMS

  • Tiny
  • njntj2
  • 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?

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Wednesday, March 2nd, 2011 AT 6:43 PM

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  • Tiny
  • Ford Man
  • Member

The switch itself.

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Wednesday, March 2nd, 2011 AT 7:17 PM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 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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