This is a document I drew up when faultfinding on mine. Hope it helps you as well.
IGN on
Test thick wires on the loom plug
Black = earth
Yellow = earth
Orange/Yellow = 12v
Orange/Green = 12v
Orange/white = 12v
Thin Slate/Grey = earth
this is how my wiring loom works out
driver seat
pin 1 thick yellow=heated seat=Earth to Thin Yellow
pin 2 thick orange/white=heated seat=Live to Thin orange/white
pin 3 thick black=earth to same
pin 4 thick orange/yellow=live to same
pin 5 thin purple/grey=live to Thin brown/white
pin 6 thin red/white/=k bus to Pink
pin 7 thin black/grey=logic earth to same
pin 8 thick orange green=live to same
SEAT SWITCH
At the module connector.
Using a suitable 12v supply and earth, and wires with probes suitable to hold in pin sockets (twisty bits of wire, matches, or cocktail sticks at your own risk
Connect Black pin to earth.
Momentarily Connecting 12v to Yellow/White pin , OR (not both) 12v to White/Yellow pin , will directly power the motor to move the seat forward/back, this will allow access to the seat mounting bolts. Momentarily Connecting 12v to the Yellow/Pink and Pink/Yellow pins will adjust the backrest if needed
Black = Earth
Yellow/White = Forward
White/Yellow = Back
Yellow/Pink = Backrest
Pink/Yellow = Backrest
__________________
300,000 miles and back on the road 
Jobs done: Everything you can possibly imagine ... I have the "Triggers Broom" of cars.
Last edited by hortonds; 31st July 2019 at 18:01..
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