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  1. tpenfield

    99 Monterey 276 Transom Replacement

    Thanks for the update . . . Looking forward to fixing the stringers. I cannot remember if you had done core samples of the stringers. :unsure:
  2. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Yes, maybe that is a keep-alive and directly connected to the battery. I think my set-up is like that. I just got to compare things to how the port engine is set up.
  3. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    question for the Merc experts among us . . . I still consider myself a journeyman status . . . Does the smartcraft/DTS have/need a keep alive connection? Or . . . if/ when I shut the battery off, should there be no power to the engine systems? (asking for a friend :ROFLMAO: )
  4. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Quick Update . . . After 1 hour I am seeing 11.9 v on the Red/Purple & Red/Pink wires . . . If I disconnect the starboard battery, I am still seeing 11.9v on those wires. Sort of means the engine is getting some power from another place. As for now it is beer o'clock . . . more 'fun' in the AM.
  5. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Yes, this engine (2016) is the in-house Mercury built (Not GM), It has the PCM 112 control module. Here is an updated power diagram and some voltage readings that I took. I agree voltage is getting somewhere it shouldn't. . Power wiring diagram, as best I can make ( @muc ) I will PM you the...
  6. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    This may be a solution, Just came on the market in NY. Just need to keep saving my allowance :ROFLMAO: BTW - I just checked the Mercury website and the 6.2L sterndrive is not listed . . .:unsure: can't say I blame them at this point. :ROFLMAO:
  7. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    It is starting to rain, so I may not get much testing done today . . . I did get the starboard outdrive finished in the early morning hours. I did some testing with my amp meter (DVM) Here are the results . . . . It seems that something is getting turned on when the ignition switch is turned...
  8. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Thought for the day on the electrical issue . . . The helm gets its voltage (power) from the house (accessory) battery bank. So, voltage for the engine systems comes from the battery bank, but the key switch ignition voltage comes from the house bank. That might explain how I am (still)...
  9. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Yea, that would go over like a fart in church in my household. :ROFLMAO:
  10. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Just looking at my diagram and the newly added purple (ignition) wiring. The things to check look to be: Ignition switch Alternator excite CAN P & H resistors Outdrive Lube J1939 Connector I'll update as I proceed . . . I appreciate the comments and ideas. :)
  11. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    old lube of an unknown type . . . :unsure: I have about 8 quarts of the Mercury High Performance lube.
  12. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Yes, I was thinking either the ignition switch or the alternator . . . something is dragging the voltage down.
  13. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Taking a break from electrons today . . . I did some maintenance work on the outdrives. I noticed that the gear oil had not been changed in a while, and I was starting to get a delayed shift on the port outdrive. After draining down the old gear oil . . . one thing led to another . . . Here...
  14. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Just looking at the wiring of the ignition circuit, I am thinking that maybe the nice new alternator is causing the problem. I'm going to compare things on the port engine, but wondering if I pull the exciter connector off the back of the (stbd) alternator, and the (9.2) voltage goes up to...
  15. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Quick Update . . . Alternator wire is Orange (verified) @Fun Times I found my 9.2 volts . . . Purple wire on the OBD-M fuse socket (2 amp fuse). I'm now updating my diagram to show the purple wire (aka ignition wire in most cases) The buzzing of the MPR ONLY happens if I have turned on...
  16. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Diverting back on topic . . . I have mapped the power wires (as best I could) from the overly busy wiring diagram. Not sure it will upload properly, but here it is . . . I took some liberties with the color designation, since my graphic software doesn't know about wire stripes. :D . . I...
  17. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Those were OPD's (other people's drinks) :ROFLMAO: Here is an updated photo from today. The admiral insisted that I stock up for the summer. :unsure:
  18. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    Omission . . .
  19. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    thanks @muc Engine serial number are below in my sig. 2A458510
  20. tpenfield

    Mercury 6.2 ECT DTS Axius Voltage Issue

    I did some current draw testing on the port and starboard batteries, but did not see anything of significance. The boat's electrical system never sleeps (so it seems). There is the radio, the CO detector, the inverter, the mercathodes, and probably some other stuff that draw small amounts of...
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