67 Voltage Regulator

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  • Salvatore I.
    Very Frequent User
    • April 1, 2004
    • 114
    #1

    67 Voltage Regulator

    I just purchased a new voltage regulator for a 67 corvette 327/350hp engine from LectricLimited.

    I had a very quick (basic) question:
    At the base of the old regulator, 3 screws attach the regulator to the wheelwell through 3 rubber grommets that have a threaded nut imbedded in the grommets. One of the 3 screws has a black wire with a circular connector that appears to be a ground wire connected at the base of the regulator housing. This black wire runs into the wiring harness. It seems odd that this would be grounded here since there are rubber gaskets that connect to the fiberglas wheelwell and it appears that this will not provide a proper ground.

    On 67 corvettes, is this ground wire connected to the base of the voltage reg or to another component on the engine?

    Thanks!
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    • Peter L.
      Extremely Frequent Poster
      • June 1, 1983
      • 1930
      #2
      Re: 67 Voltage Regulator

      Sal - Connect it to the base of the regulator. It's the ground for the regulator. Can't just have it floating out there. Putting the ground in the wiring harness was probably the best way to make sure electrical items like the regulator were grounded on the Corvettes rather than running separate wires for the grounds to the frame or engine which I'm sure in some cases would require fairly long wires and more time in assembly. I checked on my 66 Chevelle and it has a short ground wire running from the capacitor screw on the regulator (the regulator is attached to the core support with "well nut" like the Corvette) to the sheet metal of the radiator core support that the horn relay and horns attach to. Pete
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        • Salvatore I.
          Very Frequent User
          • April 1, 2004
          • 114
          #3
          Re: 67 Voltage Regulator

          Pete

          Thanks, I got it now and understand the ground needed for the regulator itself...

          Sal
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            • John H.
              Beyond Control Poster
              • December 1, 1997
              • 16513
              #4
              Re: 67 Voltage Regulator

              Sal -

              The other end of that harness wire has a ring terminal on it and is attached to the threaded ground stud on the back of the alternator.
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