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2017 Suzuki "low voltage port/starboard eng

BaggerBagger Posts: 116 Deckhand
I have" Low voltage port and starboard eng "  on gages.    Engine will turn over, no start. Gets eng 3-4 message.  Trim will not work from throttle switch's or the switches on engine.  
Have checked batteries and connection.
any ideas   Is there a fuse or breaker I can't find?  
Bagger..... :USA



  • larrywittlarrywitt Posts: 2,881 Moderator
    When you say check, do you mean a voltage reading at every cable connection along the way with a good volt meter. And what is the voltage drop when you try to crank engine or trim it. 
  • BaggerBagger Posts: 116 Deckhand
    no voltage drop while using trim switches.  forward or engine mounted.  
    slight voltage drop while cranking engine. (electronic start switches engage for 3 secs only that is normal) 

     white wire has power to ECM that seems to be a issue  
    Bagger..... :USA

  • The Cat's EyeThe Cat's Eye Posts: 1,670 Captain
    Are your batteries connected to duel battery selector switch? I once had low amp/voltage problems in a boat years ago. I finally took apart the selector switch and cleaned up the copper contacts and that solved the problems
  • BarrellBarrell Posts: 1,305 Officer
    Buy a new battery. Everything will go away. Especially if its a df300.
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