retro fit heated leather seats

hello im new 

i have a 1.6 fsi octavia elegance  that i have fitted full leather from a scrap octavia elegance of the same year ,including the heater controls for the heated seats , i have purchased a wiring loom to try get the heated seats to work from cars equipment https://www.cars-equipment.com/base/files/shop-images/6495308/39483-DSCN3336.jpg

my question is does anyone have a wiring diagram for this harness because there just ignoring me !

i think ive got most of it ,plugs to seat harness ,red to fuse ,brown to earth leaves 3 wires blue/white from both plugs into seat switch, blue to seat switch, that leaves me with a white not sure what to do with it it doesn't have any crimp and is longer than the blues 

please help