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1965 Wildcat Custom tacho circuit diagram

Discussion in ''Da Nailhead' started by Klaus, Jan 30, 2023.

  1. Klaus

    Klaus Member

    hello
    I have a 1965 Buick Wildcat Custom.
    The speedometer in the center console is defective. someone forcibly opened it. I'm looking for a circuit diagram to fix it.

    regards Klaus
    20230130_135113.jpg
     

    Attached Files:

  2. Klaus

    Klaus Member

    hello and thank you
    I need the inner workings of the speedometer.
    the electrics.
    someone opened it. look at the picture

    regards
     
  3. gsgtx

    gsgtx Silver Level contributor

    maybe it didn't work and that's why it was open.
     
  4. TrunkMonkey

    TrunkMonkey Totally bananas

    You have a tachometer.
    They had two wires.
    Blue to the negative side of coil (via the chassis wiring that used a brown wire in the harness)\
    And the white wire is for the light.
    The tach was grounded by the tachometer housing to the chassis when bolted in place.
    You can use a wire from the housing to any ground point.

    Hope they did not break any of the small copper wiring to the drive windings, but even that can be fixed if it is only a break and the windings is in good order.

    There are places that can repair these if it is more than you want/can tackle.
     
    gsgtx likes this.
  5. Klaus

    Klaus Member

    the problem is. i'm in germany
    connecting to electricity and ignition is clear
    the speedometer is defective. someone opened it and damaged the circuit board
     

    Attached Files:

  6. Stevem

    Stevem Well-Known Member

    It looks like the broken off uninsulated lead closest to that nut might be ground.

    If you get a 9 volt battery with a prewired clip on cap you can apply power to the wires and maybe see which way the indicator needle moves.
    If the coil still works the needle will peg itself to one side or the other depending on how you hook up the battery.
     
    Nailhead in a 1967 likes this.
  7. Klaus

    Klaus Member

    @ Nailhead in a 1967
    schön das ich deutsch mit dir reden kann.
    ist nicht fair den anderen gegenüber. aber mein englisch ist miserabel.
    wenn ich nach einem drehzahlmesser gesucht hatte wurde mir in englisch immer tacho angezeigt.
    deswegen das missverständnis.
    tatsächlich suche ich das teil unter dem zifferblatt. vielleicht reparatur möglich?
    hat wohl jemand angebohrt. würde schon gerne wieder den orgi drehzahlmesser einbauen.

    regards Klaus
     
    Nailhead in a 1967 likes this.

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