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  1. 04fxdwgi25

    Alpha one gen II leaking water near hydraulic hoses

    Check around your tiller arm (steering arm) and see if there is any sign of water / rust / maybe sediments from evaporated water. If there is, is is not uncommon for that seal to be bad on the steering pin, and the leak will find it's way down
  2. 04fxdwgi25

    ECHOMAP UHD2 63sv Not Showing Fuel Flow in Navigation

    There has to be something in the setup of the nav page that differs from the other pages. Did you do any software updates on the echomap? When new, my Garmin UHD 74SV displayed a couple of odd things until after the software update(s). Maybe contact Garmin and ask them.
  3. 04fxdwgi25

    Smoking Engine and Mercruiser ignition switch question

    I have knocked a screw driver through them to unscrew. When you get them all out, get the Stainless Steel ones. A 5 pack cost the same as 5 plastic ones. No brainer here. https://www.hardin-marine.com/p-81080-stainless-steel-sea-pump-drain-plugs-mercruiser-22-806608a02-8m2000874-5-pack.aspx
  4. 04fxdwgi25

    1990 Rinker 18.6

    Here is troubleshooting TSB on the TB4
  5. 04fxdwgi25

    Unknown part

    It is a very old style tilt trim pump.
  6. 04fxdwgi25

    Marine or Auto oil pan

    Grab an aluminum small block oil pan from Jegs, Summit or ebay. Just verify year (rear main seal type) and where the dipstick enters. Can use a steel one, but will likely rust again.
  7. 04fxdwgi25

    Water in my lenses

    Some times the cheaper "waterproof" lights aint so waterproof. Make sure they are immersion rated and a major brand name, like Optronics.
  8. 04fxdwgi25

    Smoking Engine and Mercruiser ignition switch question

    sure the hose was turned on to the muffs and there was water flow? Sure sounds like an overheat from no / low water f;ow
  9. 04fxdwgi25

    Gimbal bearing puller

    $80 at amazon https://www.amazon.com/BESTOOL-Gimbal-Bearing-Remover-Special/dp/B091G8NLKX?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&smid=A13QBQAQ19Q37Y&th=1
  10. 04fxdwgi25

    Tie down caliper mounting bracket

    Yup
  11. 04fxdwgi25

    Tie down caliper mounting bracket

    HeliCoils. Usually stronger than the original threads. $10 in parts and a 1/2 hour of your time.
  12. 04fxdwgi25

    5.7 coil issues

    I would get a good service manual, probably the Mercruiser ones for the engine and Alpha drive unit. Short check. On stbd side exhaust riser is a "shift plate" where the shift cable(s) merge. One is from the console shifter and the other goes down to the drive. There is also a micro switch with...
  13. 04fxdwgi25

    Mercruiser exhaust question

    No. With drive tilted up, it is easily reached at the top of leading edge of the lower unit. A yellow connector.
  14. 04fxdwgi25

    Mercruiser exhaust question

    Common overlooked item is plugging the pitot tube back into the lower drive on assembly
  15. 04fxdwgi25

    Outdrive gear ratio.

    My last boat was a Chapparal 2550 SX Sport w/ 7.4 and B1 drive and same weight as yours at around 5080 lbs dry and an 82 gal gas tank.. That was a 1.5:1 ratio and would run 53 mph all day long. I'll see if I can find the old prop size spec it had.
  16. 04fxdwgi25

    Problem Replacing old incandescent NAV lights with LED lights

    According to the pic you provided, the bulbs are bi-pin, so rotating 180 will change polarity. I believe what you are chasing is a wiring / switch problem, especially since it is a boat over 60 years old. I would bet even money, the wiring has been "repaired" form time to time by a shade tree...
  17. 04fxdwgi25

    Problem Replacing old incandescent NAV lights with LED lights

    Just curious why the lights are in series? If you have a 12V battery, and they are in series, the bulbs need to be rated at 6VDC each if they are the same bulbs, (each bulb would drop 6VDC x 2 for a total of 12VDC) for them to be at rated lumens. All 12VDC systems bulbs are connected in...
  18. 04fxdwgi25

    5.7 coil issues

    Have you checked the ignition cut out switch on the shift linkage?
  19. 04fxdwgi25

    Does anyone know what the 2 pin sealed connectors Mercruiser uses on their wiring harnesses are?

    These? https://www.amazon.com/Connector-Connectors-Automotive-Accessory-Motorcycle/dp/B09S3N51GM
  20. 04fxdwgi25

    2002 5,7 Mercruiser exhaust manifold keeps cracking - 5 times this summer

    Have you put a diagnostic tool on it, like a Rinda, that can log / chart what is going on? There may be sensors gone flakey to tell the ECM to do odd things, since the problem didn't move when you swapped ECMs. That kinda rules out the ECM. All that's left is standard mechanical testing like...
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