Electrical problems

Discussion in 'OnBoard Electronics & Controls' started by RayChez, Jun 18, 2008.

  1. RayChez
    Joined: Jun 2008
    Posts: 1
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Barstow, California

    RayChez New Member

    I have a 1977 Marquis day cruiser with a 188 hp V8 Mercruiser engine. I was summerizing it the other day and I noticed that as soon as I hooked up the battery the fuel gauge would react with the switch turned off. It never done that before. The fuel gauge would not give me a reading until I turned the key on. So it must be shorted somewhere. How can I track the short down. I have removed the side panels to expose the wire harness and there are a lot of wires.
    If I follow the wire from the gauge to where ever it leads to, would I find where it is shorting out?
     
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