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  1. 6

    08 350Mag/B3 eng low voltage

    I disconnected the fuel line at the ant-siphon valve and put the hose end in a gas can to see if the pumps would pull fuel. It seems the pump isn’t sucking fuel from the can either. Both pumps are new so this is getting frustrating. I primed the cool fuel module by filling it approx 50% full...
  2. 6

    08 350Mag/B3 eng low voltage

    Did some more diagnostics today. Removed anti-siphon valve to check if it is sticking. Seems to be working correctly - opens with minimal suction. I confirmed both new pumps are turning but it isn’t pulling fuel from the tank. Next time I’ll take a gas can & see if it pulls fuel from that.
  3. 6

    08 350Mag/B3 eng low voltage

    Did some checking this afternoon & learned a few things 1. I’m an idiot. I thought I was resetting the engine CB ( on top of engine) by pushing in red button but didn’t see actual gray reset lever. With CB actually reset, engine harness is getting power & cleared “Eng low voltage” warning 2...
  4. 6

    08 350Mag/B3 eng low voltage

    I was surprised also. I normally diagnose/fix things myself but I’m not very familiar with the DTS & smartcraft system so opted to let someone (I assume) more knowledgeable put eyes on it. Where is the start relay located?
  5. 6

    08 350Mag/B3 eng low voltage

    Yes - no start condition was present when dealer looked at it Yes - digital control - key switch for ignition in “cabinet” - push button for start/kill on throttle handle Will check for fuse from batteries to engine Battery cables are tight attached with clamps/nuts vs wingnuts Thanks for the...
  6. 6

    08 350Mag/B3 eng low voltage

    I’ll check alt org wire and at CB with key n but can’t start at the moment. It seems like start is disabled. Audio warning stays on & start button doesn’t engage starter. Smartcraft readout shows 12.8/13.1 for battery voltage
  7. 6

    08 350Mag/B3 eng low voltage

    08 SeaRay 240 350magB3, 100 hrs Boat sat in covered storage approx 8 months - batteries on trickle charger periodically. Started/ran fine last time out but now continuous alarm tone & “eng low voltage” on smartcraft gauge. I had a shop look at it & was told bad fuel pumps (ColFuel3) caused eng...
  8. 6

    08 Merc 350mag/B3 crank but no start, starts after sitting for week

    2008 Searay 240 350mag/B3 110 hours, Eng SN 1A066891, all freshwater use I purchased boat last summer with 96 hours, Cool Fuel module replaced just before purchase due to freeze damage Used boat Thurs/Fri/Sat last week. No issues Thu/Fri, ran great. On Saturday, boat ran great for first...
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