rebuilding my s2 and i have forgoton which terminal one of the wires goes to ,does any one know ,i have the ones from the starter sorted ,but there is 2 that run across the bulkhead from the o/s to the batt ,one is thick red (ok) but the one i cant remember is a thin black one ,any ideas,just dont want to connect it wrong,this is not on the cossie loom btw,or can you post up pics of your batterys in place ,thanks