Wiring Diagram Sheets Detail. 1985 mercury outboard wiring diagram xr6 yamaha 200 2007 switch ignition 80 hp manual 1990 115 parts 140 diagrams engine tacklereviewer 90 1998 1965 mercuryet 40 marine 2000 johnson 150 full 50 gallery tilt 12 pin harness 400e 1960 starter solenoid mercruiser 3 0l kill 1956 1989 motor proseries pocket service guide ...
Older model outboards (prior to 1977) may have the tach signal wire originating at the ignition system though they are alternator equipped. All alternator tachometers may be used on these systems by disconnecting the tach signal wire at the engine and connecting that wire to the unrectified alternator signal at the rectifier.