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    1996 4.3LX Thunderbolt IV Ignition problem

    Here is the whole story. While getting the starboard engine rebuilt/uninstalled/re-installed, the port engine sat for six weeks, prior to that it ran great with no issues. I have owned the boat for three months, so it seemed like a good idea to put new spark plugs in the port while I was...
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    4.3LX Ignition Coil Thunderbolt IV Info

    Anyone help with some basic info? I have a 1996 4.3LX with Thunderbolt IV ignition. To my knowledge everything is stock. The Mercruiser part number for the Ignition coil is 805570A2. Does anyone know the resistance of this coil? Does it use the internal or external resistor? Any other info...
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    Mercruiser fuel pump connector

    So after determining that my fuel pump was bad, I purchased a replacement called out in the parts manual. Upon arrival, I also discovered that the one previously installed on my starboard engine was the wrong pump. Someone cut off my original connector and installed one for that pump. I'm...
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    1996 4.3LX Fuel Pump Issue (I Think)

    All, I have a 1996 4.3LX that I just had rebuilt. I have it in the boat and it will crank and run if I pour gasoline in the carb; however it will die once it runs thru that gasoline. I also get the alarm, but have plenty of oil pressure (not sure where the alarm is coming from). I have...
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