2000 FORD RANGER HEATER CONTROL

  • Tiny
  • jdagboy
  • 2000 Ford Ranger
  • 186,000 miles

My heater is stuck in defrost it will not change to vents or the floor. It does change to a/c and it blows out cold air what could it be? What are the color codes for the vacuum lines blue red white im not sure what other colors there was. Im lost on this one. Where should I start looking at

Tuesday, July 23rd, 2013 AT 5:21 PM

3 Answers

  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

See diagram may help find problem

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Wednesday, July 24th, 2013 AT 1:00 PM
  • Tiny
  • jdagboy
  • Member

I think im not getting vacuum from the engine compartment where does that come from. When I take the lines off of the heater switch there is nothing there

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Wednesday, July 24th, 2013 AT 3:05 PM
  • Tiny
  • Docfixit
  • Expert
  • 18,991 posts

Vacuum come from intake through firewall to control in none at control then not not getting from intake listen for a hiss sound if line broken or unattached

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Thursday, July 25th, 2013 AT 8:57 AM

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