2001 dodge grand caravan heater

2001 DODGE CARAVAN
6 CYL • AWD • AUTOMATIC
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JAFFERSON
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  • 13 POSTS
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?
Nov 20, 2010 at 4:07 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
Excessive current draw from the blower motor will cause module failures.
Nov 20, 2010 at 4:15 PM
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JAFFERSON
  • MEMBER
  • 13 POSTS
Thanks for the prompt response. So u suggest changing the blower motor would solve this problem.
Nov 20, 2010 at 4:19 PM
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WRENCHTECH
  • ✓Experienced Mechanic
  • 20,760 POSTS
I would measure the current draw before automatically replacing it.
Nov 20, 2010 at 4:21 PM
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JAFFERSON
  • MEMBER
  • 13 POSTS
Ill try and do that. i appreciate the help
Nov 20, 2010 at 4:23 PM
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