ok i started this in my project thread but found it to be a bit over whelming so here it is just the Self Leveling system thread 🙂

pics
sender and bracket

sender plug above fuel tank

bracket fitted to rear beam

sender + bracket fitted and plugged in

loom from outside to inside under back seat

it runs down the passenger side of the car to the front foot well
where there is 2 plugs

the wires in the rear loom go to the blue plug and stop there

other pics for reference

all important wiring diagram

its quite simple if you dont have the wiring already installed its just a case of making a 7 wire loom with a plug to fit the sender
then

Pin 1 Ground (terminal 31) ----------------------------------- light switch Pin 12 - (brown)
pin 2 Supply voltage (terminal 15) -------------------------- light switch pin 4 - (black)
pin 3 Warning lamp ---------------------------------------------instrument cluster pin 15 (Brown / blue)
pin 4 Tachometer signal -------------------------------------- instrument cluster pin 27 to (blue /red)
pin 5 Diagnosis -------------------------------------------------- Immobilizer control unit PIN (6 brown / white)
pin 6 Light signal (pin 56) ------------------------------------ light switch pin 13 (yellow)
Pin 7 Output to the actuators ------------------------------ light switch pin 8 - (! cut from switch then connect to sender) (brown / yellow)
Pin 8 -------------------------------------------------- ------- Not used