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  1. nola mike

    Audio warning system on 2003 Mercruiser 5.0

    so this has come up a few times lately.... the tks/tbv system looks different than the TB iv in terms of the alarm system. all of the alarms go through the icm in tbv, and the op switch for the warning is NC with engine running. unless I'm reading things wrong. otherwise all of the recent...
  2. nola mike

    OMC to Merc swap in 1996 Sundowner 195

    If you can find a wiring diagram of the boat harness and post it here you'll get a better answer. Better yet, diagram of both harnesses.
  3. nola mike

    2007 Merc 5.0 TKS stalled at speed, had to be towed

    Fyi, looks like the tks switch may be different. I can't link ATM, but manual #41 has 2 switches (which one are we talking about?). It appears that the 2nd switch is different than the warning switch on the older models. And like I said above, this switch feeds the icm whereas the older ones didn't
  4. nola mike

    Thunderbolt V vs Delco EST Ignition

    Also, tb v has a dynamic advance feature based on rpm (potentially allowing more advance). I think the Delco is just a static advance map
  5. nola mike

    Bad engine coupler or spun prop hub?

    That should be fine
  6. nola mike

    2000 Alpha One Gen 2, U-Joint Knocking

    did you check your alignment?
  7. nola mike

    Exhaust leak from lower unit?

    Yes
  8. nola mike

    Engine starts, idles for 10 seconds then dies

    Yeah, not sure why the effort wouldn't go towards fixing the flooding carb first
  9. nola mike

    F-150 Transmission Issues (I think? . . . No, I thought )

    Man, all this ford bashing. Jealous of that fix. My mini is/(was?) throwing insufficient boost pressure codes. Wastegate and diverter valve (as well as the turbo itself) are common culprits. To inspect the wastegate, I need to remove the exhaust and cat (that should be fun). If it needs...
  10. nola mike

    Popping through carb at 4000 rpm

    AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge https://a.co/d/cS98SEW Hardin Marine has the spacer
  11. nola mike

    Popping through carb at 4000 rpm

    they make a spacer that sits on top of the exhaust manifold. dunno what the rest of the question was
  12. nola mike

    Popping through carb at 4000 rpm

    you need more fuel with higher rpms, so not really. secondaries opening? fwiw, I absolutely love my a/f gauge that I installed. takes all of the guess work out of the equation as to whether/when you run rich/lean
  13. nola mike

    Throttle spring on 1981 Mercruiser 120. Courting disaster

    What carb do you have? How is the throttle opening with the cable holding it closed?
  14. nola mike

    Antifreeze Question

    nope, you're right. quick mods, close the thread!
  15. nola mike

    1990 vs 1992 4.3 block swap

    did you check the water pocket cover in your outdrive?
  16. nola mike

    New boat with merc 5.7

    oh, shift interrupt switch.
  17. nola mike

    Project unknown

    how do you plan on titling/registering it?
  18. nola mike

    Mercruiser 140 (1984) - What started as key no longer turning off boat has evolved into boat not starting at all

    So the fault is after the ignition switch. It's a totally separate circuit after the ignition switch. No. The choke supplies the coil. If you don't have switched power at the choke, you probably don't have it anywhere in the engine compartment. You still haven't tested that though. The...
  19. nola mike

    Mercruiser 140 (1984) - What started as key no longer turning off boat has evolved into boat not starting at all

    That's your issue. You should have 12v key on. Choke should have 12v also. See post #14. You didn't respond if gauges are also dead. There's a break in the circuit somewhere between the purple/red wire to the helm (do the accessories--blower, bow lights,etc work?) or in the purple wire from the...
  20. nola mike

    Mercruiser 140 (1984) - What started as key no longer turning off boat has evolved into boat not starting at all

    You're measuring either volts or continuity, which is it? You can replace it all you want, coil too. Neither are your problem.
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