Recent content by javabeaver

  1. J

    Mercruiser 3.0 MPI ETC, Oil pressure sender issue? I can't find it.

    Thanks. That's why I couldn't find it online. Will try to figure out the wire after work.
  2. J

    Mercruiser 3.0 MPI ETC, Oil pressure sender issue? I can't find it.

    Thanks Fun Times and alldodge. A lot to check tomorrow. Need to fine the main power relay and the fuel pump relay first. Is there a service manual for my engine? A wiring diagram could be very helpful. The one I found had oil pressure sender, so it's not for my engine. The boat has been used...
  3. J

    Mercruiser 3.0 MPI ETC, Oil pressure sender issue? I can't find it.

    I did some more tests. The key switch does get 12V, and it functions normally. When the key is turned to run position, the 12V (from red wire) is delivered to the beeper (on purple wire). If I turn the key to start, 12V is delivered to yellow wire and engine will crank. The other wire connected...
  4. J

    Mercruiser 3.0 MPI ETC, Oil pressure sender issue? I can't find it.

    Thank you so much. That may explain why I couldn't find the oil pressure sensor. Wish I came here asking earlier. wouldn't spend those time trying to find a non-existing oil pressure sensor. I did check the key wire a bit yesterday. It has three connectors, B (red wire), S (Yellow and red...
  5. J

    Mercruiser 3.0 MPI ETC, Oil pressure sender issue? I can't find it.

    Boat dead when idling in water. Had to tow it back. Turn key to run position, no beep. Normally it would give a long beep. Then I would start the engine. Now when I turn key to start, engine would crank but wont' turn on. Not battery issue. Charged battery, and also tried two car batteries. Oil...
  6. J

    Q4 trolling motor

    I'm considering install a trolling motor on my 2013 q4i. At the dealer's I saw the SF model with 55 lb thrust minn kota. I wonder what is the top speed you can get on that in very calm water. I'm considering a 55lb or a 80lb MotorGuide xi5. 80lb won't give more power, but it's a 24v, so extra...
  7. J

    Tahoe q4 trolling speed

    I have a 2013 Tahoe Q4i. I'm considering to install a trolling motor. Could any one with a Q4SF let me know what thrust is the pre-installed trolling motor? And what is the top speed you can get from it? Thanks.
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