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  1. nola mike

    4.3 mercruiser alpha 1

    Nope, not oil plug. I mean, did any oil come out?
  2. nola mike

    8.7 Volts at the Coil

    This isn't the issue. Module has nothing to do with his problem.
  3. nola mike

    Shift interrupt switch - how to adjust??

    You can disconnect, check, and install new cable on land. Final adjustments to be made on the water if needed. Properly working SIS only gets triggered coming out of gear on the water. Otherwise not enough resistance on the prop.
  4. nola mike

    8.7 Volts at the Coil

    Likely 2 wiring issues. First is drop with key on, either bad ground connection to helm and/or bad connection along r/p wire. Loss across fuse would be a suspect. #2 is a bad connection along purple wire from key switch. Connections to test are at the tach where the purple (usually) branches...
  5. nola mike

    Shift interrupt switch - how to adjust??

    Plunger switch isn't the problem, as the shift plate shouldn't move at all going into gear. Not sure if the plate torque, but iirc that bolt is shouldered so shouldn't be able to hinder plate movement with over tightening (and if it was loose that would make it less likely to stall). Disconnect...
  6. nola mike

    4.3 Mercruiser submerged - Perplexing problem

    Gimbal could have seized as well preventing cranking.
  7. nola mike

    Transom leak near exhaust

    Corners of what? That doesn't sound good
  8. nola mike

    My boat run slowly. 120HP,2.5L,1989

    Do either of you see an electrode in #1? Assume that's what AD was pointing out?
  9. nola mike

    Alternator

    The box belongs with the alternator. There are bullet connectors that were supposed to be disconnected to remove the alternator, you can see them in your first pic
  10. nola mike

    Never Believe What They Say

    They're almost a direct bolt on, but IIRC need a hole drilled for cooling? @Scott Danforth .
  11. nola mike

    Fire extinguisher system

    We have no idea what you're working on. And when you clear a code on a car, you're supposed to fix the underlying issue.
  12. nola mike

    Quadrajet Secondaries Problem

    Then in all seriousness, what's the point of posting? Let your mechanic figure it out for you. Especially if you trust him to do everything, let him do it.
  13. nola mike

    Quadrajet Secondaries Problem

    I thought this sounded familiar. Fwiw, someone should pay me out for the 10:1 odds I was giving last year 🙄 https://forums.iboats.com/threads/wrong-new-prop-or-what.751645/page-3#post-5732185
  14. nola mike

    Mercruiser 4.3 will not start

    Agreed, gauges should be unpowered with ignition switch on if so
  15. nola mike

    Mercruiser 4.3 will not start

    Gauges work with ignition on?
  16. nola mike

    Quadrajet Secondaries Problem

    You sure about that?
  17. nola mike

    Quadrajet Secondaries Problem

    Or find a hot rod shop in your area. Don't need to be a marine mechanic to rebuild a qjet.
  18. nola mike

    a carburetor shouldn't spill fuel like this, right?

    Yes...I think. That was running on the stand, and recurred even after I pulled the carb to recheck the float. So replaced pump. Didn't do it again, but replaced the pump after noticing low psi. Low psi on 3rd pump as well, but said screw it and gave it a shot. It happened again intermittently...
  19. nola mike

    120 HP mercruiser 153 ci 2.5 L issues

    1. Did you set the dwell, then set timing? 2. Did you check gas for water? If it's significant, the Seafoam and dry gas won't do anything. 3. Did you adjust the mixture on the carb?
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