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    72 1150 tach wiring?

    Hello everyone, I have been reading tach forums and can't find an answer to my prob. To start with, my brown wire(not gray) goes to the switch box, not the rectifier as per my manual diagram. Tach not working. I have read that everyone else suggest's it goes to rectifier or direct to yellow/red...
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    72 1150 voltage leakage?

    Hi, spent 1 mnth replacing all LU seals, interior wiring harness, rectifier($3 at radio shack). Currently and prior to repairs, when I try to test charging and I put either probe near motor or battery while running, meter goes nuts. Tach has never worked either and now at roughly 2-3000rpm, it...
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    1972 tachometer identification and hook up

    been online for hours, cant identify it, does not seem to have a sender terminal for the brown wire (see pic) just bought this 115 T of P on a very rare 72 16' FiberJet Catalina Tri hull. Sat for 2 yrs, changed inner wiring harness and impeller, noticed the tach not working, any help, thanks
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