When you get your new tester, test the battery while plugged into shore power. If you don’t get 13.5 volts, your converter could have a blow fuse or a bad converter. I got lucky and only had to replace the 3 fuses and not the converter. Seem all good so far.
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Bnrc73
2010 Montana 3400 RL
2011 F350 SD SRW 6.7 Diesel
Worthington MN
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