tach wiring?

[shoveljockey]

I need a tach wire/harness for an '86 yamaha 115.

[dngharvey]

tach wiring

Added a tach to my '88 70 hp....wiring harness came with it, and connections were on the cotrol box.

[shoveljockey]

tach wiring?

Added a tach to my '88 70 hp....wiring harness came with it, and connections were on the cotrol box.

bought it used with tach and no wiring...i think all i need is the wiring. Just don't know which wiring harness i need or how to find out.

[200090tlry]

I hooked mine up omc controls of same vintage 2000 year

green is send and you can check with your volt meter on AC current.