Wellcraft V20 Community - Yamaha Tach Info Needed Asap!

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jasoncooperpcola

03-02-2008 02:34 PM

Yamaha Tach Info Needed Asap!

my tach only has two wires coming out of the back a green and black. I'm looking at a tach that has three wires, green black and YELLOW will this tach work witha 1986 Yamaha 150? what is the exta wire for?

THEFERMANATOR

03-02-2008 08:26 PM

Your old tach was probably powered off of the tach output, and your newer one probably uses a seperate power source. What model tach is it? Maybe a picture of the hook-ups on the 2?

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