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  1. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    BTW - is the PCM112 made by a company called "Woodward" https://www.woodward.com/en/shop/woodward44-industrial-engines/8923-2341 That's where I an finding some technical info on the PCM.
  2. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    Yes, I could be. However, if I can verify that the voltage sources and the grounds are all as good as they can be, then it would tend to point to the sensing circuitry within the PCM.
  3. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    Here is the wiring diagram (from my service manual) for the engine and associated controls . . . . Looks pretty simple :ROFLMAO: Actually, there are a few places where I can be checking for voltage and proper ground connectivity. The 'PCM Clean Power' (Red/Blk + Blk) feeds the Pin A4 on the...
  4. tpenfield

    How to determine if a shaft length is right for your transom?

    Yup . . . short shaft boat . . . long shaft motor. Not going to be the best thing.
  5. tpenfield

    Quit My Job . . .

    I do have to consolidate my IRA/401 stuff from my previous job. Too busy messing around with boats (and cars and trucks) recently to fill out the forms. :LOL:
  6. tpenfield

    Quit My Job . . .

    My retirement might be short lived. I just got a call on a part-time gig for some IT management work. We’ll see what happens.
  7. tpenfield

    Replacement Fuel Sender?

    Sounds like a ‘digital’ situation - either a ‘1’ (full) or a ‘0’ (empty). 😀
  8. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    Thx - sounds like an off-season project 😀
  9. tpenfield

    New boat owner!

    Congrats on the new-2-U boat and a good first outing. Lots of times first outings don’t go well, so consider it a plus. As you gain experience you will know the things to look for both pre and post outing. Each boat is a bit unique in that regard, but I usually look at the engine and bilge to...
  10. tpenfield

    Twin Merc. 6.2 Mags with Bravo 3 - EMCT Temperature Overheat Fault - Port side Manifolds (Only)

    Never mind the CATs - I’m more concerned about the digital throttles, electronic steering, and multitude of senders to check everything. I’m afraid I’ll get a fault code if I bring the wrong brand of beer on board 🤣.
  11. tpenfield

    Replacement Fuel Sender?

    Maybe a tube type sender instead of an arm style.
  12. tpenfield

    Twin Merc. 6.2 Mags with Bravo 3 - EMCT Temperature Overheat Fault - Port side Manifolds (Only)

    The new manifolds are a better design, it seems, but the water passages to the riser portion do not seem all that large (to me). I wonder if there is some restriction by design, since I believe the risers also get a raw water feed. As for the faults and codes. I have the Diacom computer...
  13. tpenfield

    Twin Merc. 6.2 Mags with Bravo 3 - EMCT Temperature Overheat Fault - Port side Manifolds (Only)

    Not sure why you are calling these 'dry joint', since the the exhaust and water chambers are separated by a single gasket, just like the old style wet joint manifold/riser. The old style 'dry joint' was such that if the water leaked, it would be on the outside on the manifold..
  14. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    From what I have been able to tell, the boat was purchased in Norwalk, CT July 2016 and owned by someone in Stamford CT, then in early 2020 purchased by someone in Port Washington/Manor Haven NY (just across LI Sound), so it has been in salt water its entire life, but a relatively short life so...
  15. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    All the terminals are coated with some sort of brown gunk (probably a proper name for it). I am not liking the fact that the wiring is in a cabinet instead of being mounted on a more accessible board. I actually had to replace a bad ground wire for the blower relay, which you can see as a lone...
  16. tpenfield

    Twin Merc. 6.2 Mags with Bravo 3 - EMCT Temperature Overheat Fault - Port side Manifolds (Only)

    CATs or No CATS the exhaust on those engines is expensive, since they are Mercruiser's design and not available from aftermarket providers (yet?) You are probably getting close to when the exhaust will need replacement in general.
  17. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    Much of the wiring that I need to go through is located in the Starboard electrical panel. The whole thing is going to need some serious cleaning . . . I don't know how it got so grimy in a mere 5-6 years. . . . . . Here is the 40 amp fuse that we have been talking about . . . (Yellow Arrow) .
  18. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    I’m surprised it is 40 amps, that seems like a lot. The #12 wires that connect to it would be fire ready before the CB comes to the rescue 🤔
  19. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    I would really like to find a section of the helm power feed that matches the Diacom ‘Battery’ value (which seems to trail the system voltage by 0.6 - 1.1 volts). If I can find that voltage then I may have isolated the problem. I agree messing with the wires has improved things, but there is...
  20. tpenfield

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    Yes, I am wondering if the elements are getting to it and causing a little bit of voltage loss?
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