[Question] Fuel gauge help...
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Fuel gauge help...

  1. #1
    Junior Member
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    Jun 2015
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    Visalia, ca
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    Default Fuel gauge help...

    Bought a jet boat about a month ago and have an issue with my fuel gauge always reading full. I have dual 20 gallon tanks and have no idea how to wire the gauge so the gauge reads off each tank..setting up electrical stuff is my nemesis... I can fix and repair if it's already installed.....

    Here's what I would like.... I have a tank selector switch up by my steering wheel and would like the gauge to read off the tank that is selected.. How do I do that?

    Heres a couple pics of the fuel gauge and selector switch( back of it )
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  3. #2
    Senior Member gregb's Avatar
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    If you want that you are going to need a different selector switch. You will want to get a DPDT switch, which is double pole, double throw. Basically two switches in one. There will be 6 connections on the bottom. For one set of three contacts, you wire it like your switch is wired now. You then have 3 left over. The middle one will go to the gauge. The others (outer) will follow the wires that go to the tanks and hook up to the sender on that particular tank. If that makes sense. Easier to see on a diagram, hopefully someone with a good computer drawing program can supply that on this thread.

    Also, is that how the boat is working now? With the wires as pictured? Or did you disconnect anything? Because if it is as pictured that switch isn't doing anything and you have some other wiring work to do.
    Last edited by gregb; 06-27-2015 at 08:51 AM.

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