qpeng into mk1

hi got my plug and play loom in just have to connect four wires into my mk1 gti fuse box ..coulours ,& pin out numbers
ihave ..pin 13 purple/yellow 12volt switched??
yellow..goes to the injectors??
pin 6 & 15 brown/black?????????
pin 17 is fuel pump which needs to go to earth side of fuel pump relay???
just need to know where they connect into the s1 fuse box
any help would be grately appreciated