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Unread 04-06-2013, 05:00 PM   #1
fdawg4ever
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Join Date: Mar 2012
Posts: 57
Blower motor

Heat still coming out but no fan speed work at all. Could this be a relay or????

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Unread 04-06-2013, 06:45 PM   #2
RNMedic
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wiring for resistor behind the glove box, shorts out
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Unread 04-06-2013, 07:04 PM   #3
fdawg4ever
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How can I fix that, with new resistor??? I'm not real good with wiring lol
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Unread 04-06-2013, 11:54 PM   #4
KoreaZJ
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Help JF help you.
Please fill in your Jeep profile info. Year, engine, tranny, etc.
<--- Displays over there.

Which year?
Manual Controls or ATC?
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Unread 04-07-2013, 04:01 AM   #5
fdawg4ever
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97 jeep grand cherokee Laredo 4.0 I6. Manual controls.
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Unread 04-07-2013, 09:24 AM   #6
flexyxj
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Check Blower motor fuse under the hood. IIRC, it's a 30Amp Maxi-fuse.
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Unread 04-07-2013, 02:13 PM   #7
KoreaZJ
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Join Date: Aug 2011
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  • Check Fuse#7 (40amp) in PDC under hood.
    .
  • Blower Motor could be bad. Can be tested by unplugging, then hooking directly to 12v battery.
    .
  • Check the connectors on the front of the heater box for pin damage from overheating. Common problem. There are usually visual "burny marks and meltyness" (author: ratmonkey)
    Looks something like this...





    Some cut the connectors out and splice all the wires together.
    Or just bypass the connector with damaged wires spliced together.

    .
  • Blower motor resistor could also be bad.
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