Last week I replaced the oil and fuel filters, impeller, and changed the oil on my Yanmar 2GMF after it being two years on the hard. I also poured in some fuel additive to the half full tank. I hooked up a bucket with water and reconnected the raw water hose to the bucket. It started and ran for about a minute and stopped. I tried restarting but the batteries died. This weekend I replaced the batteries and decided to replace the belts, too. To do so, I had to unbolt the alternator which dangled for a few seconds on its cables. I reconnected everything and tried starting it. No luck this time. Tried a couple more times and stopped. When I went to look closer at the engine, I found a loose wire with a connector on it that I couldn't find a home for (see pic). I realize that at times there are superfluous cables depending on the engine type (as the engines may share cable bundles). And the mystery connector may be a complete red herring to why the engine doesn't start. At any rate--these are my clues. Any suggestions? Thanks
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