455 Electrical Issue
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Thread: 455 Electrical Issue

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    dp155's Avatar
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    455 Electrical Issue

    When I turn the key on, nothing happens. The instrument panel doesn't light up, the fuel pump doesn't hum and the green light on the circuit board doesn't light up. Fuses are not blown. Battery is relatively new and still healthy with 12.6 volts. Posts and terminals are clean. If I take the terminals off the posts and put them back on, everything lights up like normal but as soon as I turn the key, all I hear is a loud click and the machine dies. Then I'm back to square one. Any ideas?

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    That sounds like poor connections on the battery. It might be the other end of the cables. I’d sand them clean and tighten them up and try again.

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    Did you check battery voltage directly at the battery posts with the key on?

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    dp155's Avatar
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    I did check the voltage directly at the battery with the key in the on and off positions. 12.6 volts in both positions.
    '95 455 22hp Yanmar
    '02 757 25hp Kawasaki

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