View Full Version : Yamaha tach wiring

08-08-2006, 08:41 AM
"have an 1987 150 hp motor bought a used yamaha tach (analog)wires for light no big deal, but the tach wires one is black (ground? wrong pigtail out of haness)one green (have a green in harness) yellow the only yellow wire i have has two wires out of the harness conected together? is this where yellow wire from tach goes"