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2001 Dodge Grand Caravan heater

Tiny
JAFFERSON
  • MEMBER
  • 2001 DODGE CARAVAN
  • 6 CYL
  • AWD
  • AUTOMATIC
I have a 2001 dodge grand caravan es 3.8L V6 with auto temp control (3 zoning). The front heater quit blowing air and so we changed the module behind the glove box. Everything worked fine that day but the heater quit again the next day. What could be causing the failure of the module repeatedly and how can I diagnose this?
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Sunday, November 21st, 2010 AT 12:07 AM

4 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
Excessive current draw from the blower motor will cause module failures.
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Sunday, November 21st, 2010 AT 12:15 AM
Tiny
JAFFERSON
  • MEMBER
  • 13 POSTS
Thanks for the prompt response. So u suggest changing the blower motor would solve this problem.
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Sunday, November 21st, 2010 AT 12:19 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
I would measure the current draw before automatically replacing it.
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Sunday, November 21st, 2010 AT 12:21 AM
Tiny
JAFFERSON
  • MEMBER
  • 13 POSTS
Ill try and do that. I appreciate the help
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Sunday, November 21st, 2010 AT 12:23 AM

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