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rvshrinker's avatar
rvshrinker
Explorer III
Oct 13, 2020

Help why is my battery terminal corroded and sparking?

Last looked at these batteries one month ago. Today before our trip there is a small amount of blue green corroding at the terminal, and along 3 red wires connecting to it at their terminals. Also the...
rvshrinker's avatar
rvshrinker
Explorer III
Oct 13, 2020
The vehicle is unplugged so there's no other source of power. Solar was turned off. Batteries have adequate water. Vehicle had been kept plugged in on 30 amps.

I unhooked the negative terminals and sparking stopped.

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