70 camaro gauge wiring diagram

Discussion in 'Troubleshooting & Diagnosis' started by Lunte, Oct 16, 2020.

  1. Lunte

    Lunte New Member

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    Hi. I need some help White installation a 77 camaro gauge speedometer in my 70 camaro. What to do to Connect the wiring,

    tyvm.
    Brian from Denmark.
     

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  2. Twisted_Metal

    Twisted_Metal Administrator Staff Member Lifetime Gold Member

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    Welcome to NastyZ28, Brian! :D

    If you are only changing the speedometer, there is no wiring involved.

    If you are converting from the warning light cluster to a gauge cluster...
    The conversion is covered in this link: https://nastyz28.com/2gcog/tech/u14swap.html

    Note: There may be differences in the color of individual wires on the cluster wiring connection.
    Ignore any differences in the colors... Use the positions of the wires to change them around.

    As mentioned in the link... You will need to add two wires to complete the swap.
    1. One from the cluster plug to the distributor (for the tachometer)
    2. One from the male connector on the back of the cluster to the fuse block (Ignition slot) for the Volt Gauge.

    You will also need a different temperature sending unit which matches the year of the cluster.

    Don't expect the clock to function. :(
    They are rarely in working order unless they have been rebuilt or the mechanism replaced with a quartz movement.

    Good Luck!
     
  3. Lunte

    Lunte New Member

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    Very nice, just what I needed, thanks again
     
  4. Lunte

    Lunte New Member

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    Do anyone know, whey I don't have any rpm signal on my Tach? I have add 1 wires from cluster plug to the distributor coils (-) ?
    Thanks.
     

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