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Electronics-Stereo/GPS/Chartplotter/Electrical etc

Issues with wiring a tachometer on Yamaha 2009 90 four stroke jet outboard

Thread starter Elite163
Start date Jun 5, 2022

Elite163

Member

Jun 5, 2022

Hey everyone I have a 2009 90 four stroke outboard and currently trying to wire a tachometer. I spliced into the green wire supposed to be the tach signal for Yamaha in the main harness that goes to the throttle the control box and followed the directions on the tachometer instructions. Wondering what I am missing? I have also hooked the battery power and ignition power to the gauge via under the dash wiring