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93 ZJ Defrost/Defogger

Discussion in 'Grand Cherokee' started by TinyInkognegroT, Oct 30, 2019.

  1. Oct 30, 2019 at 5:24 PM
    #1
    TinyInkognegroT

    TinyInkognegroT [OP] Well-Known Member

    Joined:
    May 26, 2019
    Member:
    #3261
    Messages:
    533
    Gender:
    Male
    Vehicle:
    1993 Grand Cherokee Limited 5.2L AWD
    My defrost doesn't work and my windshield and every other window fogs up when it's cold outside or raining, it makes it very hard for me to see. I know my AC is not hooked up, and as far as I know, my blower motor doesn't work to blow heat if I reattach my heater core hoses to the right places... But does my heater or AC have anything to do with defrost/defog ? How do I check my blower motor?
     
  2. Oct 30, 2019 at 6:46 PM
    #2
    aggrex

    aggrex Well-Known Member

    Joined:
    Sep 12, 2016
    Member:
    #203
    Messages:
    3,237
    DE
    Vehicle:
    Backcountry '16
    Tuffy>AEV>TTO>JW>STech>EVOcage>MagnaFlow>SpiderTrax>RockHard>TF>SpringTail>67design>Bolt>GPCA>Curt>
    With a non-functioning a/c system there will be no effective defroster action. This is why I installed a new Denso compressor this summer in a 22 year old Toyota (personal goal 300k). Besides the nice cold a/c in the summer defrosting the fogged up windshield is very important for safe winter driving.
     
    TinyInkognegroT [OP] likes this.
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