Serial # 3B144614
Since I took delivery, it had seemed that my batteries died quickly. Once Mercury lifted the ban on lithiums, I switched to an Ionic 125ah and still, the battery was going dead sooner than expected. I have 5 graphs and 3 black boxes, including the s3100. Anyway, I got a second battery and put it in parallel and still was dead or near dead at the end of a really long day. So, then I finally checked the app at various times and saw that current was always going out of the batteries under all circumstances. The dealer said the alternator was good, fusible link was good, passed all checks. I knew this wasn’t right. I tried to diagnose myself but didn’t have muffs to check while running. Anyway, finally got to checking various things and figured it must be a bad alternator. I had them order the 100p version. Dealership puts it on and it’s still not charging. This time I had them check with it running at their shop before I left. I get out the voltmeter and clamp various cables to check flow and check voltages at different places, and I finally figure out that the ground strap that bolts to the block under the alternator is the problem, at the connection to the block. Anyway, get it grounded properly and voila, it works. Fired it up and suddenly I am getting 15+ amps back into each battery. Just wanted to post this for anyone else who might have problems.
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Originally Posted by EuropeanAM
