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Clock Relay Replacement

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  • Charles P.
    Frequent User
    • November 1, 2021
    • 37

    Clock Relay Replacement

    Hi, I have a 65 original clock in nice shape but, like most, it needs repair. I carefully took it a part and saw that the contact pad on the clock relay is worn. I tried cleaing the surface and it ran for about a month but there is little left on the pad.

    Is there anyone out there that can replace the relay or the pad on the relay? Thanks in advance!!!!
  • Larry E.
    Extremely Frequent Poster
    • November 30, 1989
    • 1658

    #2
    Re: Clock Relay Replacement

    Charles: Use the search function and search "got my clock back". GoDown to my name and you will read a "start to finish" story to help you
    Out ; Larry
    Larry

    LT1 in a 1LE -- One of 134

    Comment

    • Stephen L.
      Extremely Frequent Poster
      • May 31, 1984
      • 3149

      #3
      Re: Clock Relay Replacement

      A good rule of thumb to extend the life of these clocks is to disconnect the battery when the car is not in use. The clock spring resets about every 2 minutes. Do the math..... how many times does the clock reset in a day, week, month?

      Comment

      • Thomas S.
        Very Frequent User
        • February 6, 2016
        • 603

        #4
        67 427/400 Lynndale Blue Corvette https://online.flippingbook.com/view/750924569

        Comment

        • Bill M.
          Extremely Frequent Poster
          • July 31, 1989
          • 1317

          #5
          Re: Clock Relay Replacement

          Larry on this subject I notice that my 65 clock will stop ticking when the car has sat for a day. When I start her up and correct the time it will I k again. Does this mean the relay is failing? Thanks

          Comment

          • Danny P.
            Very Frequent User
            • June 30, 2002
            • 338

            #6
            Re: Clock Relay Replacement

            Originally posted by Charles Parilla (68552)
            Hi, I have a 65 original clock in nice shape but, like most, it needs repair. I carefully took it a part and saw that the contact pad on the clock relay is worn. I tried cleaing the surface and it ran for about a month but there is little left on the pad.

            Is there anyone out there that can replace the relay or the pad on the relay? Thanks in advance!!!!
            Hi Charles, I had the same thing happen to me also , I open it up clean the contacts like you did but i would spray a very fine oil not very much on the gear unit , then i would connect 12v and ground on the bench and spray little bit again during the clock coil reset points which is about every 60sec. maybe on yours the coil reset spring is getting stuck somewhere in the reset .thumbnail.jpg
            Last edited by Danny P.; March 3, 2023, 08:46 AM.

            Comment

            • Joseph S.
              National Judging Chairman
              • February 28, 1985
              • 847

              #7
              Re: Clock Relay Replacement

              Steve, I have an opposite opinion to yours. I try to keep my clocks running continuously. When the clock finally stops after you disconnect the battery, the points rest shut. When you reapply battery voltage you are running the 12 volts through the closed points. which could weld them shut or burn them out.

              Comment

              • Stephen L.
                Extremely Frequent Poster
                • May 31, 1984
                • 3149

                #8
                Re: Clock Relay Replacement

                Joe,
                The contact "life" is directly proportional to the number of cycles they are subjected too. If the 12v is continously applied the result is thousands of cycles per year. If the 12v is not present then that are no cycles. The clock in my '67 is original. The car was driven daily for many years. The clock eventually quit cycling the rewind. In 1983 I removed the clock, cleaned the movement with a cleaner and filed the contacts. The clock has NOT failed to rewind since. My car is seldom driven and the battery is disconnected during these extended times. This results in a significantly low cycle rate; the cause of the contact failure. Disconnecting the battery eleiminates the possibilty of an electrical fire/failure.
                I've seen a car destroyed because of electrical corrosion and fire when the battery remained connected during storage. Lesson learned.........

                Comment

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