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Heater/AC quit working

Tiny
LOTZALADY
  • MEMBER
  • 1992 DODGE DYNASTY
  • 6 CYL
  • FWD
  • AUTOMATIC
Besides the heater motor, what would cause the heater/ac to quit working in my 1992 Dodge Dynasty? The air quit a few years ago. The heat quit a few months ago. Replacing the heater motor did not work.
Saturday, February 12th, 2011 AT 11:20 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,737 POSTS
"The air quit a few years ago."

Does that mean the air conditioning or the air flow from the fan? Since you replaced the fan motor, I'm assuming you mean there's no air flow. The place to start is by measuring the voltage at the motor's electrical connector. There should be 12 volts on the dark green wire. If it is missing, look for fuse 10, a 30 amp.

Caradiodoc
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Sunday, February 13th, 2011 AT 1:02 AM

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