Here’s a picture of the wire I need to know about thanks 

Edited 20 January, 20188 yr by L15hyu

@Tech1e

Is the man to answer this one

As is @nige8021

Black/Blue is the +12v ignition supply from fuse #5 in the OEM wiring, as yours has a big ring terminal on it, looks like they intended it to pick up the supply from the "X" contact relief relay the connection will be found at the bottom edge of the relay panel behind the dash.