Electrical current running through prop

Measured with charger unplugged

Bat1 on: 0.147v
Bat2 on: 0.147v
Bat off: 0v
Charger on: 0.154v

Definitely the boat ground, just don't know if this is normal.


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0.15V on a fiberglass insulated boat is hardly nothing. However, leave your switch on and your battery(s) will be dead in a month.

I wonder if you have a loose ground wire from the batteries to the bus bars. 2yr old boat might have had a bolt vibrate loose. I have had 1.5 loose turns on a car battery ground prevent it from starting.

Quote:

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Originally Posted by Holdmybeer

0.15V on a fiberglass insulated boat is hardly nothing. However, leave your switch on and your battery(s) will be dead in a month.

I wonder if you have a loose ground wire from the batteries to the bus bars. 2yr old boat might have had a bolt vibrate loose. I have had 1.5 loose turns on a car battery ground prevent it from starting.

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Switch is always off in barn. But I will start chasing loose connections


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