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Unread 05-22-2008, 08:31 PM
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The tach normally does not run off the ignition on that engine, it runs off the stators pulse for the charging side. Sounds to me like a magnet issue or stator as that is the common components shared by both in the system. The ignition system in it should be completely isolated from any of the boats wiring with the exception of the black and yellow stripe wire to the ignition switch. I would start by checking your wiring and see if any wires have been crossed as the tach being hooked into the ignition side of the stator could be your issue.
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Unread 05-22-2008, 09:19 PM
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you techies are amazing, probably forgot more sh!t than I will ever know
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Unread 05-22-2008, 10:38 PM
cterrebonne cterrebonne is offline
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yeah some automotive timing lights cut out somtimes, i use a blue point that is self powered and it never misses beat and like SP said ignition and charging are two diff things on the stator. it really sounds like your rec/reg is out or going out. check for AC volts from the two yellow wires from the stator and see if you have AC volt and if you do its either the tach or the rec/reg.
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Unread 05-23-2008, 09:30 AM
cterrebonne cterrebonne is offline
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PN 583408 for the rec reg. see if its charging your battery also
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