Originally Posted by hc_416

As I save up money for the parts I need i'm just trying to tidy up some things. I have a relay in the battier with a green light; It has two blue lines, a black line and a red line. Can anyone tell me what these lines are for? I can see that one red line goes to the battery with a fuse and is junction to run the the relay and pump. The black is junction and runs to the ground on the battery. One of the blue goes no were and the second one is junctioned to a yellow wire. thanks in advance.

P.S. I also don't see any of this wiring in the the BP manual.