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  1. M

    IAC problems

    Yes it looks like the ECM is bad. But it also seems like you might be using the manual for an EGC engine and I'm guessing you have a MEFI engine. The best I can remember the IAC circuit works about the same between these two engines, but Like I said earlier "it's best not to guess on expensive...
  2. M

    IAC problems

    Hard to comment on this one, being asked to condemn the ECM is big $$$$. I’ve never made a mistake on this, but have had to pick up the pieces when another tech or customer has. Never a good outcome when that happens. Really would like more info. Serial number 4101216623 isn’t recognized as a...
  3. M

    Four Winns forward and reverse switched

    Sounds like someone replaced the shift cable and got it on the wrong arm in the box behind the shift lever.
  4. M

    The job of Marine Technician

    If you want to see a little of what it's like. I suggest Justin Lee Marine on youtube. He works for a FL dealer and mainly sees Tiara, Pursuit, Grady White and Regal. Mostly Mercury and Yamaha outboards with a few Volvo I/Os. I did a very similar job here in MN for 30 years and he does a good...
  5. M

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

    Take what I’m about to say with a grain of salt, I’ve spent all my time working on boats in Minnesota. That’s about as far away from saltwater as you can get. When I saw the pics you posted of the electrical compartment, my first thought was that if I was doing a trade-in or pre-purchase...
  6. M

    VP DPS-A OXI outdrive with DTC=713

    Your operators manual covers the reset. It's basically what I posted but has a nice picture. Visual inspection for the modual, Yes Diacom will tell you the software package installed to the ECM. But only Volvo tech support or Volvo diagnostic tool --- Vodia --- can tell if it the lastest.
  7. M

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

  8. M

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

    You need to find out what that breaker feeds. 40A is too big for 12ga wire. I've seen some crazy things done with boat wiring. It's highly possible someone put a 40A breaker in thinking it would help with a voltage drop problem. Electrical knowledge is one area a lot of techs are lacking. Also...
  9. M

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

    Those voltage numbers look normal. Guessing you have an intermittent problem, you might end up fixing it without knowing what connection you messed with was the one! Don't know what "standby" means. Have very little experience with VesselView. The one time I had problems, I just called Merc tech...
  10. M

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

    40 amp breaker is pretty big if my memory is right, will have to do some research. Can you check your records to see if these recalls and updates have been done? Bulletin No. 2019-04 Official Recall Notification U.S. Federal Boat Safety Act Joystick Piloting/Electric Steering Helm Sensor...
  11. M

    VP DPS-A OXI outdrive with DTC=713

    The drive oil sensor must be reset whenever the drive oil is replaced. This procedure must be performed with the boat out of the water. You didn't post a serial number so I'm not sure if you have a DOQ module or if your ECM has the latest software. But assuming you don't here is the reset...
  12. M

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

    Please post pictures of your helm when you get a chance. multiwake, when you turn just the stbd key on does the port gauge wake up? fireboy, do you have an override switch or just the green light? does your joystick work? If it does that would mean that the steering angle is just a display...
  13. M

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

    I forgot about your trim sender question, here’s what needs to be done when replacing a digital trim sender. Trim Adaptation Process 2. With the engine off (not running) and the ignition key switch in the "RUN" position, use the control handle trim switch to trim the engine all the way...
  14. M

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

    P.S. Once you go through this harness tracing. You will want to buy a pair of “flush cutting” side cutters. There will be blood😀
  15. M

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

    First thing I would do is get a big bag of tie straps and a pair of side cutters. Take as many pictures of your engines, with special attention to the back and transom. Starting at the clean power connector on the stbd engine. Follow the clean power harness to where ever it goes. Probably going...
  16. M

    DPS-A trim sensor drives me nuts

    You connected 12 volts to a 5 volt sensor? Might want to start your own thread.
  17. M

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

    All models need a minimum of 800 CCA, 1000 MCA, 180 Ah batteries. IMPORTANT: For DTS products, each engine must be equipped with its own starting battery. If your boat application requires additional battery loads for boat accessories or marine electronics, it is recommended that an auxiliary...
  18. M

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

    I’ve been following along and trying to craft a reply, but every time I start typing something comes up. Here are a couple of thoughts. As near as I can tell the helm has two power supplies running up to it. I don’t have access to the complete wiring diagram so it’s tough to be sure. But the...
  19. M

    New to me Colbalt, Overheating only while pulling tube or ski

    I suggest that you remove the flush cap and inspect the oring and rubber washer. Tight only matters if the seals are in good shape. Notice that Volvo made this cap with wrench flats, this is their clue to you. A lot like why battery connections are now regular nuts instead of wing nuts. People...
  20. M

    New to me Colbalt, Overheating only while pulling tube or ski

    Do you have “silent choice“ or some other switchable exhaust? Do you have a depth transducer and where is it installed? When you replaced the thermostat did you make sure the bypass passage was clear, poke a coat hanger or some stiff mechanics wire thru? Your engine has a flush fitting, have you...
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