Anyone seen a factory rear window defroster on a 66?

1966 -1967 Mopars

  1. AR67GTX

    AR67GTX Well-Known Member

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    My Satellite has what appears to be a rear window defroster/blower in it. It's mounted in the center of the rear deck where a center speaker would be. There is a harness (looks factory) that appears to be for it (black and black w/T wires) in the sill to the corner of the dash where it ends in a plug. there is also a spare 2-terminal plug up there (yellow & orange leads from memory) that may have served to power it - not sure. But I haven't found any means of switching it on/off on the car.

    I'm not all that interested in restoring it to operating condition at this time - just curious how it was controlled and wired if anyone has seen one of these or has one. Haven't really seen anything in the shop manual wiring diagram for it unless I missed it. Possibly it was a dealer installed option or something.
     
  2. toolmanmike

    toolmanmike Moderator Staff Member FBBO Gold Member

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    Available as a accessory for sure. Out of the 1966 accessory catalog. upload_2021-1-20_12-36-49.png
     
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    • Jerry Hall

      Jerry Hall FBBO Gold Member FBBO Gold Member

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      Not to change the subject, but below it is Load Leveler "Stabilizating Unit" What was that? Maybe this?
      20201216_123554.jpg
       
    • SgtSuperbird

      SgtSuperbird Well-Known Member

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      I'm not sure how much help this will be, but this is a wiring diagram from a '66 Dodge manual. On the instrument panel diagram, it shows an unlabeled wire coming off the third (from left) fuse in the fuse box, to the "rear window defroster switch". That's it.

      As for the terminal end, here's a couple pictures from the manual:

      IMG_20210120_140429937~2.jpg IMG_20210120_140437397~2.jpg
       
    • SgtSuperbird

      SgtSuperbird Well-Known Member

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      And after really looking at the wiring diagram, that accessory is labeled (MOPAR only). I've never noticed that labeling before, so maybe, as stated above, it was an accessory that the owner could add/have added through MOPAR? I don't know. Now I need some schooling...
       
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      • toolmanmike

        toolmanmike Moderator Staff Member FBBO Gold Member

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        Yes
         
      • AR67GTX

        AR67GTX Well-Known Member

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        Guess I should have done a search as there has been quite a few discussion of this for various early years on the forum - and a few units resold. I'm lacking the hose and duct so probably not easy to resurect. Would like to know what the operating switch looked like.
         
      • toolmanmike

        toolmanmike Moderator Staff Member FBBO Gold Member

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        Usually like this: Often positioned to the left of the base of the column

        rear air switch.png
         
      • R413

        R413 Well-Known Member

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        The switch above is not for a 66-67 Plymouth Belvedere or Satellite.

        The factory switch gets in the lower dash metal and has a chrome bezel and knob that matches the others on the dash. Like the lighter and ignition switch. It has off/low/high positions.

        I’ve got one here somewhere, but I haven’t seen it in years.

        View attachment 1057169

        2E6B88A6-A391-429C-B20A-9AD2B617831D.jpeg
         
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        • toolmanmike

          toolmanmike Moderator Staff Member FBBO Gold Member

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          Take your pick. I posted a picture of the one I am familiar with. https://www.google.com/search?q=mop...vuAhVYG80KHZHlAEgQ_AUIuwIoAQ&biw=1366&bih=568
           
        • AR67GTX

          AR67GTX Well-Known Member

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          OK - I don't have any empty holes there in my dash so the unit may not be original to the car.
           
        • 6PKRTSE

          6PKRTSE Well-Known Member

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          Not a 66'. However, my 70' Charger has a factory rear window defogger. Basically, just a fan that blows cold air through the vent. It does work well though. I can feel the air while driving when I have it on during cold/dewey nights.
           
        • Dave6T4

          Dave6T4 Well-Known Member

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          My 1967 R/T has rear defrost. The package tray cardboard has holes for left and right speakers punched in it. The rear speaker mounts under the left side. The defrost air intake mounts under the right side and blows air to the rear window through a long thin vent that matches curve of rear glass. The control switch is a OFF, LOW, HIGH toggle that mounts to the dash, right of the steering wheel, next to ignition switch. An emergency flasher switch mounts to the left of the steering wheel. 1967's had factory emergency flashers, but 1966 did not.
           
        • Ruby67

          Ruby67 Active Member

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          Do you have a photo of the control switch in the 67?
           
        • Dave6T4

          Dave6T4 Well-Known Member

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          Sure; here you go.

          P1210024.JPG
           
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          • Ruby67

            Ruby67 Active Member

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            Thanks!
             
          • R413

            R413 Well-Known Member

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            • AR67GTX

              AR67GTX Well-Known Member

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              That definitely looks like it belongs in a 66. Guess someone got the bright idea of sticking one in the trunk of my car but never got around to installing the rest of it.
               
            • R413

              R413 Well-Known Member

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              The motor and duct can come from many different cars, the 66-67 Plymouth specific switch is hard to find. So is the Dodge switch, the knobs and bezels are different Plymouth to Dodge, but the switch might be the same.

              The more generic toggle switch In post #8 came in many early 70’s darts and will work to operate one in a retrofit.
               
              Last edited: Jan 22, 2021
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              • RedBeard

                RedBeard FBBO Gold Member FBBO Gold Member

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                Switch looks similar to a 67 rear speaker control. image-jpg.jpg
                 
                Last edited: Jan 22, 2021
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