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2017 Yamaha 100 hp 4 stroke engine - Main Fuse?

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  • 2017 Yamaha 100 hp 4 stroke engine - Main Fuse?

    Is there a main fuse or circuit breaker on the Yamaha engine that controls the gauges on a 2018 Sweetwater Tritoon boat. Today I changed a light bulb on the Faria GPS speedometer and now none of the gauges work. It is possible that I touched some bare wires together for the speedometer’s signal, ground and power connections. I’ve tried resetting all the push button circuit breakers on the console but none of the gauges will work. I appreciate any advice regarding what fuse or circuit breaker could have blown.

  • #2
    look for an inline fuse - inside a two-part black "capsule" -
    on the yellow wire that comes off the keyswitch harness
    and goes to the gauges


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    • #3
      Gauge lights wire color is normally blue. But I have seen purple which is ignition feed. (Switched) check with a DVM for power, then check for ground. Also try removing bulb and socket, sea what you get ?

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