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Thread: Rear Defrost

  1. #1
    Join Date
    Jul 2006
    Location
    Kansas City, MO
    Posts
    128

    Rear Defrost

    I stepped outside this August morning and instead of the lukewarm air I'm used to at 7 AM in Kansas City, I was greeted with what the Marauder said was 58º. I had to stand and revel in the wonderful coolness that I have missed so much.

    As I don't have a garage, my cars have to sit outside. So because the humidity was high on this cool morning, the Marauder was covered in dew. After starting, I pushed the button I knew would ruin my FM reception and I waited. And waited. And waited some more. Finally, about 5 lines on the driver's side began to defog. And that was it. I ended up having to wipe off the rear window so I could see out because nothing more happened.

    I checked all 3 connections (I know one is the antenna, but it's good to check just the same) and all were firmly plugged in. What should I check next? Any ideas?
    Black 2004 Marauder with bun warmers, escape hatch and 20% tint.
    #3200 of 3214 built #1230 of 1237 in black

    1988 Dodge Diplomat SE "Grandma"

  2. #2
    Join Date
    Apr 2005
    Location
    Frederick County, MD
    Posts
    510
    Check the defroster grid lines for breaks. This is also what would cause your lack of radio reception with defrost on.
    -My Homepage and Panther tech-

    My Mint 96' Mercury Grand Marquis Supercharged LSE -
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    Click My Merc for more Pics!

  3. #3
    Join Date
    Jul 2003
    Location
    Yonkers NY
    Posts
    892
    If the lines cleared on one side then the connection is good from one end to the other of whatever lines partially cleared.

    Maybe it just didn't get hot enough to clear the dew.

    As the weather gets colder then it may work better.


    Jay
    03 MM, DBP, Charcoal, 6disk, HS, organizer, spoiler Mods: Z&M arms, Beamtech Led headlight bulbs, LED turns, ditch, tails, reverse & interior(blue), oil deflector, U-Hall Tranny pan. running stock size Cooper Zeon RS3-G1

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  4. #4
    Join Date
    Dec 2002
    Location
    Long Island, NY
    Posts
    9,769
    I tend to agree with Jay.

    The rear defroster works best with frost, ice or snow.
    2003 Marauder 300B,
    6468 out of 7839 - Thanks Brian
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    Sold 4/3/2009 Now resides in AL.
    1961 Pontiac Bonneville Convertible
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    ----- John

  5. #5
    Join Date
    Oct 2003
    Location
    Beaufort, SC
    Posts
    7,719
    Mine burns the dew off at 80* in a matter of minutes!!

    Unplug the plugs and reconnect to see if you may just have a poor connection or corrosion??

    Marauderjack

    PS: 1,500 posts.....Wooooo Hooooo!!!!
    No Marauder

  6. #6
    Join Date
    Jul 2006
    Location
    Kansas City, MO
    Posts
    128
    Quote Originally Posted by Marauderjack
    Mine burns the dew off at 80* in a matter of minutes!!
    My old Escort does the same. It could be 70º+ and dew on the Escort and the rear defrost will remove it just fine.

    I'll try cleaning and reseating them to see if that makes a difference. Problem is I probably won't be able to discern results for another few weeks.
    Black 2004 Marauder with bun warmers, escape hatch and 20% tint.
    #3200 of 3214 built #1230 of 1237 in black

    1988 Dodge Diplomat SE "Grandma"

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