scoobyjohn2000

wonder if anyone can help i have just got a blitz turbo timer and want to fit it in my car but i dont have the harness and from what i can gather there is only 2 wires i am stuck with so dont see the point it getting one i need two find the :ign1-corresponding to second position on key switch / and acc-accessory corresponding to first position on key switch the car is a 96 uk classic the colour of the wires i have on the ignition are as followed....black/blue.....black/white.....black/yellow...and black i think this is the earth thanks