12v battery has multiple connections but...

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3rigel

New member
Joined
Oct 21, 2024
Messages
4
Hi folks,

I've got 3/4's of an i3 and just trying to get what I can working. One thing I'm struggling with is the 12v connections, obviously 1 side earth the other main positive terminals. Bmws are fitted with the destination terminal with it 2 small yellow connector (orange/yellow wires) but I have a small black plug (red/orange from memory) floating nearby that looks like it should plug into the positive side. My positive terminal has no place for it so heres my question, what is it and what signal/voltage does it need to see?

Many thanks in advance
 
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