Quote:
Originally Posted by ProgramLuke
That's one of the issues. Unless the battery is absolutely fully charged and reading 13v+ we will get a drop to 8v or less. At that point we get loss of communication. We just did a run reading 12.8 volts and it immediately dropped to 8v- and lost communication.
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You're dropping too much. I'd look at the main power path from the battery all the way to the Power Distribution board. Bad crimps, looks nuts, nicked wire, undersized wire. You have too much resistance somewhere, or else some bad batteries.
A clue would be to feel all the wires from the battery terminals to the PD board. If any are warm, then there's your issue.
Also, 6AWG wire is a tiny bit small for the loads you might be putting on it. If you're running more than 2 feet of battery cable, I'd recommend bumping it up to 4AWG.
Also check for mechanical issues. Can you rotate your wheels pretty easily? Are they tough to spin? If they're tough, you might be binding too much and pulling too much current.