Hi
Take the wiring into the boot area aroung the ns back light.
7 core wire with the black casing - black socket is your lights etc. Wire it up as follows-
Yellow - LH indicator
Blue - Fog Light
White - Earth
Green - RH Indicator
Brown - RH Lights
Red - Brake light
Black - LH Lights
You will need a flasher relay from Halfords etc - just follow the instructions in the pack as each one varies- should cost around 15.00
Grey wire 12s socket
Yellow - Reverse lights
BLue & Red - Split charger
Green - 12v permanent supply
Black - Earth
White - Earth
Brown - Not used