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  1. P

    Rectifier burned up!

    The motor is a 2000 Mercury 200 HP EFI. The voltage gauge on my dash has been showing this engine charging the batteries below the normal level that it read in the past. About 4 months ago, I took my boat in to have the charging system checked on this engine. I was told that the engine was...
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    Mercury 200 EFI ECU question?

    I took my boat over for service today, I have twin 200 EFI Mercury's, model year 2000. I was told that the ECU in the port motor has a short in the plug connection that goes to the wiring harness. What caused this bad connection was a result of the ECU plug unscrewing itself from the wiring...
  3. P

    Mercury 200 EFI ECU question?

    I took my boat over for service today, I have twin 200 EFI Mercury's, model year 2000. I was told that the ECU in the port motor has a short in the plug connection that goes to the wiring harness. What caused this bad connection was a result of the ECU plug unscrewing itself from the wiring...
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