Honda Boat Motor Tachometer Wiring

My boat tach started showing rpms way higher than it should and i could tell the motor wasn t actually turning that high.
Honda boat motor tachometer wiring. So here we are trying to diagnose the problem. Honda outboard wiring diagram wiring diagram is a simplified suitable pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices. Fixing the tach on my boat installing rectifier part 3 r u. I wire up the power and then select the number of pulse or cycles my outboard has to get the correct reading.
Connect the black tachometer wire to the black ground wire. Match up the colored wires from the tachometer to the wiring used on your boat. Connect by hand the red wire for power feed to the power red wire on your boat harness. In this video i install an tachometer in my boat.
This is the tachometer i used http. Hello everyone 20 733 views. Confirm that each wire is connected to the right boat harness wire via wire connectors.