Yamaha Multifunction Gauge Wiring Diagram. Yamaha multifunction gauge kit installation. The coloured wires (in sequence) are yellow, red, two black, grey, white/blue, and white in a circle around a central green (the short wire in the picture).

The tachometer provides rpm reading, trim angle indicator, engine operating hours, overheat and oil warning indicators. We are your trusted online solution when it comes time for your next catalog lookup regarding yamaha outboard parts and diagrams. To test the gauge connect the black wire to the white wire at the tachometer.