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  1. W

    Tachometer running backwards

    You stated before that if the rectifier is bad the tach would not receive a signal. The tach drops right 0 when I turn on the ignition. Then jumps up to idle 800 upon starting. Then drops back to 0 when I throttle up in neutral .
  2. W

    Tachometer running backwards

    Good afternoon, I have a 1993 johnson outboard 140hp. Restoring the 84 starcraft. I swapped out the old tach for a used faria 7000 rpm . the original was bad but still wired. The faria shows 800 at idle then pegs to 0 with throttle. I have the gray wire from controls as the signal wire ...
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