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Thread: volt gauge

  1. #1

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    the old owner of my truck ripped out all the wiring. I was able to rewire all the other gauges, but how do I wire in the volt gauge?

  2. #2
    Join Date
    Dec 2003
    Location
    Lone Pine, CA
    Posts
    451

    Default

    One terminal to ground, one terminal to switched power. If it reads backwards, switch the terminals. You can pick up the switched power from the same line that powers the other gauges.

    Chris

  3. #3
    Join Date
    Sep 1998
    Location
    North Central Wisconsin
    Posts
    11,520

    Default

    On a stock truck, the wire that powers that gauge is one of the 4 wires that comes out of the connector that screws to the back of the dash panel called the spider harness. There is 1 wire coming from the on/off switch, male end, on the dash, through a factory splice with the alternator excite wire, then there is a wire connector, female end, that comes off another point of that wire and the spider harness connects to that. The spider harness has a male end to connect to the female just mentioned, and then splits 4 ways to give power to the 4 small gauges. In the case of the other 3 small gauges, a sending unit wire is used for the signal, the volt gauge needs nothing else so it just has the one power wire from the spider harness.
    The spider harness ends and the wire rom the on/off switch are all #27. The 3rd box of the image shows the setup I am describing...the red lightning bolt thing shows where the wires pass through the firewall.



    In case you, or anyone else really needs to duplice the stock setup...now ya got it!!
    By the way Koob, where you at? Still on the other side of the big pond??
    brute4c
    Lord send your Holy Ghost into our hearts and make the desire of our hearts Your Will.

    Pro-choice, that's a LIE, babies don't choose to die!!

  4. #4

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    Nope I'm at home in Utah got back in Jan. Been quite lately. I've been working over time on my M38a-1 proir to the "war" I slide it backwards down a hill into a tree just waiting on replacment pnls.Now its time to boundle up and start working on the m715.

  5. #5

    Default

    Hey Kooby, Just saying hello.... Good luck getting wired up...
    Liz, covid, murdered 10/19/21

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