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  1. alldodge

    Mercruiser 3.0 starter

    Ground case, 12V Bat to post, small wire jump from post to post on right
  2. alldodge

    New impeller but now no cooling

    Guess I have nothing then unless there is some groves in the pump housing
  3. alldodge

    New impeller but now no cooling

    Hey @Scott Danforth was the F5 pump used on the GL?
  4. alldodge

    New impeller but now no cooling

    Which impeller kit did you get?
  5. alldodge

    New impeller but now no cooling

    Agree VP with crank mounted pump, intake hose will be on top
  6. alldodge

    New impeller but now no cooling

    ^^^ Agree If its a Bravo intake hose is on the bottom
  7. alldodge

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    Go figure, I plug in your serial number and it takes me to an older model and does show it's not in your series. Websites, have to double check them also, and it's coming from Merc OK TB5, TBI and MEFI 3 Need to get the motor timed, then see it that fixes the issue
  8. alldodge

    Bravo 3 lube reservoir not draining with outdrive removed

    If it has been disassembled, yes, otherwise if its a drain and refill no IMO
  9. alldodge

    5.0 Gxi-ce 270-r misfires cyl 4&7 at full throttle

    Might connect a fuel pressure gauge to rail and see if pressure drops any
  10. alldodge

    Bravo 3 lube reservoir not draining with outdrive removed

    Yes there is a check valve on the bell housing and the drive. When separated they should seal each side off
  11. alldodge

    Quicksilver 5W30 for all sterndrives

    The 6 cyl verado uses 25W40, the 8 cyl uses 10W30 This is the reason I have 6 gal of 25W40 and 6 gal of 10W30, bought the wrong stuff at first.
  12. alldodge

    Ignition Module for 4.3 Mercruiser with EST ignition

    The modules are the same but getting aftermarket can be an issue. Get one from GM (AC Delco) or Merc
  13. alldodge

    5.0 Gxi-ce 270-r misfires cyl 4&7 at full throttle

    Hey @muc have any ideas on this one?
  14. alldodge

    Quicksilver 5W30 for all sterndrives

    Oh no another oil thread V8 Verado requires 10W30 Syn blend
  15. alldodge

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    The MEFI can be scanned for codes using a paper clip and 12V resistor LED. In place of the LED can also use a digital multimeter with tone option. Connect paper clip and led then turn key ON and count flashes
  16. alldodge

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    Yes, that's it You need manual 24, To set timing motor must be placed in base timing mode. To do this find the DLC (Data Link Connector). It will have a plastic cover on it that is removed to gain access to the pins. Take a paper clip or small wire and jump pins A and B which places motor...
  17. alldodge

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    At the base there should be a clamp with one bolt going into the intake. Clamp resembles a Y If it's not there then need to get one. Can obtain from most auto parts store or a junk yard. To time need a timing light (might be able to get a loaner from parts store). If you don't feel up to it...
  18. alldodge

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    That's the problem right there. Time motor and clamp the dizzy in place
  19. alldodge

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    Your serial number shows it's a MEFI-1 TBI motor. Timing should be 8* BTDC set in base timing mode Plugs MR43LTS Gap 0.045
  20. alldodge

    ECM for 1999 Mercruiser MCM 5.0L EFI / 305 CID

    As Scott mention fuel pressure may be out of spec, should be 30 psi at 1800 RPM You have EST ignition, might have an issue with the modules (item 8 or 9). Have you tested the items? https://www.mercruiserparts.com/bam/subassembly/31844/2704/70
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