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1970 electric window conduit

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  • Shane F.
    Infrequent User
    • September 3, 2012
    • 17

    1970 electric window conduit

    Can anyone help with technical information on electric window door conduits for a 1970 corvette. The original conduits are still on the car, one with a split in it. The original GM#12004902 has a rubber midsection of 5/8" dia, somewhat smaller than most reproduction conduits which are 15/16" midsection. The reproductions will fit but are noticeably larger. Will this affect NCRS judging? I managed to find a "NOS" conduit on-line but when it arrived the GM packaging had been opened and the conduit identical to the repro.
  • Shane F.
    Infrequent User
    • September 3, 2012
    • 17

    #2
    Re: 1970 electric window conduit

    DSC_0906.jpgImage added.

    Comment

    • Graeme B.
      Very Frequent User
      • October 23, 2007
      • 213

      #3
      Re: 1970 electric window conduit

      Yes Shane , I'd like to know as well before I put my doors back together.
      Anyone ????????

      Comment

      • Terry M.
        Beyond Control Poster
        • September 30, 1980
        • 15599

        #4
        Re: 1970 electric window conduit

        Originally posted by Shane Fever (55379)
        Can anyone help with technical information on electric window door conduits for a 1970 corvette. The original conduits are still on the car, one with a split in it. The original GM#12004902 has a rubber midsection of 5/8" dia, somewhat smaller than most reproduction conduits which are 15/16" midsection. The reproductions will fit but are noticeably larger. Will this affect NCRS judging? I managed to find a "NOS" conduit on-line but when it arrived the GM packaging had been opened and the conduit identical to the repro.
        The answer is a definite maybe.

        1) the judge(s) have to know the difference and observe it. 2) I don't know the points for the door jamb area -- I will leave that for you to look up: https://www.ncrs.org/membership/scoresheets.html -- but I would guess you might lose a point for each side. Again that depends on the judges and which side of the bed they got up on, how much they had to drink the night before, how quickly they want to finish their task, how many cars are in the class, and the phase of the moon.

        Have you checked Dr Rebuild's site? Geoffrey often has rubber products no one else has. Since you are new to this site I will warn you that the "good doctor" doesn't take kindly to technical calls on his dime. He sometimes doesn't take kindly to technical calls at all, but last time he and I conversed his attitude toward NCRS had mellowed considerably. Regardless the hazards -- check his on-line catalog first -- it is worth a try.
        Terry

        Comment

        • Reba W.
          Very Frequent User
          • June 30, 1985
          • 937

          #5
          Re: 1970 electric window conduit

          The entire jamb area (front and rear) is only six points originality, and it is not easy to see the detail in the front. We do always check for overspray on the condouit or the plug if it is absent. Deduction would depend on how noticeable the conduit size is when installed. Looking at the other items the JG lists for the jamb, point deduction would be minimal.

          Comment

          • Graeme B.
            Very Frequent User
            • October 23, 2007
            • 213

            #6
            Re: 1970 electric window conduit

            Hi Terry, Geoff has retired now but his lovely wife Deb runs the show.
            I think that's why he is a bit more mellow these days , oh, and did I mention the heart attack? He's fine but taking it easy.
            Cheers, Graeme from OZ.

            Comment

            • Shane F.
              Infrequent User
              • September 3, 2012
              • 17

              #7
              Re: 1970 electric window conduit

              Thank you very much Reba and Terry for your feedback.

              I have repaired the original conduit but will retain the GM NOS service replacement's for spares. My assumption is the reproduction conduits are all based on the GM service replacement item, not the original. The only thing I can think of is the SR item allows the wiring plug to slip through the larger diameter conduit. With the original, the terminals have to be individually removed from the plug and then reconnected after installation.

              Comment

              • Terry M.
                Beyond Control Poster
                • September 30, 1980
                • 15599

                #8
                Re: 1970 electric window conduit

                Originally posted by Graeme Beaupeurt (48035)
                Hi Terry, Geoff has retired now but his lovely wife Deb runs the show.
                I think that's why he is a bit more mellow these days , oh, and did I mention the heart attack? He's fine but taking it easy.
                Cheers, Graeme from OZ.
                Thanks Graeme for the update. Your information is more current then mine. Last time I spoke to the Doc was probably 3 years ago in St Charles Illinois.Retirement will mellow out most of us. I am glad to hear he s OK.
                Terry

                Comment

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