Heater blower quit working

Tiny
PAUL4
  • MEMBER
  • 2005 CHRYSLER TOWN AND COUNTRY
  • 3.8L
  • TURBO
  • 159,727 MILES
The blower for the heat quit working. How can I fix it myself?
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Wednesday, January 11th, 2017 AT 8:37 PM

6 Replies

Tiny
SATURNTECH9
  • EXPERT
Do you have a multi meter to do some testing?
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Wednesday, January 11th, 2017 AT 8:56 PM
Tiny
JOHNNY G.JR
  • MEMBER
Have you checked the fuse for that circuit?
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Wednesday, January 11th, 2017 AT 8:58 PM
Tiny
STEVE W.
  • EXPERT
Did it work okay right up until it stopped? No strange noises or squealing?
Do you have the automatic temperature controls (left/right split) or manual?
If the manual controls did you have all fan speeds until it stopped?
Does the rear heat and blower still work?
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Wednesday, January 11th, 2017 AT 11:06 PM
Tiny
PAUL4
  • MEMBER
Steve W. The blow was working just fine then it quit working. I feel heat blowing out and you my back heart still works.
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Thursday, January 12th, 2017 AT 11:08 AM
Tiny
SATURNTECH9
  • EXPERT
With the blower motor on high try smacking the blower motor with your hand see if it starts spinning? If not your going to have to check fuses which you should have already done and get a multi meter to do some testing.
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Thursday, January 12th, 2017 AT 12:46 PM
Tiny
STEVE W.
  • EXPERT
If this is a manual control unit (dial - no setting a numeric temperature), Fuse 10 (40A) powers the blower from the front blower relay in the integrated power module. If fuse 10 tests OK but no power to either terminal with the blower on the relay is probably bad.
If there is power there but no blower it is either a bad resistor module or fan motor.
The resistor module is behind the dash on the right side. The blower motor is powered from a dark green and a black wire. If you apply 12 volts + to the black wire and ground the green wire the blower should spin just like it does on high speed.
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Thursday, January 12th, 2017 AT 7:29 PM

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