TrueAm Battery Isolator

[aprils_fool]

I'm looking for a little help from anyone who has installed one of the True isolators. The wiring directions shows a common ground from each battery negative which appears to goes to the spade terminal in the end but it does not have any information for the small black lead coming out of the end. Does this go to ground also?? Thanks in advance for any help

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[Admin]

 

[OnTheJob]

Small black wire is a common ground. Its for the light blue light that comes on when the True Isolator is open to let you know it's working. I grounded it to buss bar terminal that goes back to the engine where both batteries are grounded too.

 

[aprils_fool]

I thought it was until I noticed the spade connection labeled ground and that made me think there was more to it.
Thx for help

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