Alternator Wiring Help

[Yamahaulin]

Which of the 4 wires on a 2g is the remote sensing wire. I have relocated my battery to the rear and I think i could help the charging system if I redid some of it. I want the alternator to pick up voltage straight from the battery but i'm not real sure which wire I need to use.

 

[sniver]

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looks like the 2nd down, the S, is the voltage sensing wire.

 

[Yamahaulin]

Thanks, anyway to tell what color that wire is? Is this the red wire? I think this diagram shows the plug upside down.

 

[luv2rallye]

Yes red.