Pic 1 if that socket is mounted on the crossmember under and behind the oil filter...the red wire goes to side nearest to the side of the engine bay.
Pic 2 & 3 the lead goes to the front post at the front inside corner of the relay box the earth goes to chasis rail directly undernieth , the 2 plugs are clipped onto the lower front of the relay box,
pic 4 The fuel line from the filter goes to the pipe which runs round to the rear of the fuel rail...it should be the top one. bottom pipe comes from the pressure equaliser at the front of the fuel rail
Pic 5 2 wiring sockets are clipped onto this bracket (Grey) 1 6 pin and 1 8 pin, the 8 pin socket is hanging in front of it