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  1. C

    Communication issues with 8.1’s

    After changing the smart craft com cables it acted up a very short time. I've been cruising all summer with NO issues. Hopefully all this trouble shooting will help you with your fix. Good luck
  2. C

    Communication issues with 8.1’s

    Hope this helps
  3. C

    Communication issues with 8.1’s

    Just a quick update. After changing the com cables the boat alarmed a few times. I've had her out on 3 occasions where I ran her for over 4 hours each. No alarms. I'm not sure why but so far so good. Someone also sent me an article about this exact issue with his boat. I can pass it on to...
  4. C

    Communication issues with 8.1’s

    So frustrating. Why they ever put a computer on a boat engine. If they can't find the problem, Sounds like we are on our own.
  5. C

    Communication issues with 8.1’s

    Did mercury tech hook the computer to your engine. The smart craft never shows any faults or alarms.
  6. C

    Communication issues with 8.1’s

    So ran the boat today about 5 hours, alarmed about 15 times. So frustrating. When I lost the digital display on smartcraft and all port side gauges went out boat ran fine. Then boat alarmed gauges came back on and it would bog. Don't buy Com cables. That's not what is wrong. It helped some...
  7. C

    Communication issues with 8.1’s

    Thanks. I will keep you informed. I was so hopeful after running engine 2 hours and no alarms. But like I said, did it twice at low speed but after shutting everything down and running another 2 hours. No alarms. This is so weird. Please keep me updated on your progress also. How much did...
  8. C

    Communication issues with 8.1’s

    Hello. Today we replaced the con cable from com bus to both engines. Boat ran great for 2 hours. Then at low speed in river alarmed twice. Went out to lake stopped boat turned everything offincluding keys and hadn't alarmed since. Was running about 4 hours today. Keeping my fingers crossed.
  9. C

    Communication issues with 8.1’s

    Just curious, did you put his PCM into your boat and what happened?
  10. C

    Communication issues with 8.1’s

    Yes survived covid thanks. I haven't replaced cables yet as our weather has been bad. Cold in 40's and/ or raining . I have the cable and hoping with weather, should have it in the next few weeks. I also was told in 2019 to replace ECM. I did that but it came back. Very expensive non-fix...
  11. C

    Communication issues with 8.1’s

    Hoping we find the answer. I have the cables and someone lined up to install them. Just waiting for spring. What a nightmare. I heard the beeps on your post and made me cringe. Ugh.
  12. C

    Communication issues with 8.1’s

    Yes unfortunately covid hit my house. So may not get to test repair til spring. And yes I was losing data and the engines would continue to run, so I'm hoping that this is the solution.
  13. C

    Communication issues with 8.1’s

    My cables just came in. Hopefully get them installed this weekend.
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