jasoncooperpcola
God
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?
Yamaha Tach Info Needed Asap!
- Thread starter jasoncooperpcola
- Start date
THEFERMANATOR
God
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?