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    1. · Registered
      2006 ML500, 2009 GL450
      Joined
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      60 Posts
      Discussion Starter · #7 ·
      After I removed the auxillary battery, I tested it and it had over 12 Volts (can't remember exact amount, but way in the green on the battery tester). I also tested the main battery by connecting the battery tester on the jump point under the hood and the main battery tested fine with vehicle off and vehicle running.

      Here is the battery tester that was used: 100 Amp 6/12V Battery Load Tester
       

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