what's this?
 

Hey, can anyone tell me what the black plug is for in this picture?
http://www.stream-silver.net/s12/mystery.JPG

it appears here:
http://www.stream-silver.net/s12/overview.JPG

mucho thanko

relays
 

On this side L>R
Black -- retract down relay
Green-- EFi relay
Gray -- Retract control relay

on other side L>R
Horn relay 3 pin
Blue-- Illumination relay
retract relay up

Thanks for the reply mate, so the fact that there's nothing plugged into the black one may possibly be why my lights are temperamental?
There's a black plug that im assuming fits in, but i cant figure out how, the inside of the socket seems very empty.

wires probablt corroded through