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  1. J

    1969 Mercury 650 2 stroke 4 cyl. Switch box swap

    Yes sir I have, I actually completely removed it to clean it up and clean up wiring from ignition driver. As usual the wire coatings were gone. The wiring diagram you attached is exactly what I have been needing because I could not find the correct schematic to fit the parts that are on my boat...
  2. J

    1969 Mercury 650 2 stroke 4 cyl. Switch box swap

    Then that means that my test was not done correctly. I jumped the red and white on my switchbox and tried to re-enact my distributor. Is there a way to simulate that outside the motor without that fancy unit that everyone talks about.
  3. J

    1969 Mercury 650 2 stroke 4 cyl. Switch box swap

    Hello all, My motor is a 69 Mercury 650 65 HP 4cyl 2 stroke and I am currently having a no spark issue. Long story short I have to replace my switchbox. My switchbox is a 333-3213A3 which is a 4 post box ( Red, White, Blue, Green) and was wondering if i can swap it with a 332-2986 (7 post) being...
  4. J

    1969 Mercury 650E...issues

    Incorrect, I have the same exact motor as you do and there are only 4 terminals. Red, white, blue and green. The 7 terminal connection is for a different year.
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