is not so easy with the connection (switch) the 10 cables from the plug temomat control unit in the engine compartment A = signal line key 0 B = signal line key I C = signal line key R D = signal line coupling E = mass F = power supply Kl 15 /pulsion plus G = brake signal/brake switch H = bidicular data line/ read out Tech1 /diagnosis plug J = info cable automatic transmission control unit K = signal linefrom ABS control unit(wayway signal) 4 times installation switch tempomat len krad! A = signal line 0 B = power supply Kl 15 Ignition plus C = signal line from key R D = signal line from key I cable laying behind the speedometer connector yellow. E on Kl 2 F on Kl 5 K on Kl 12 distance plug sensor G comes on brake light switch H is Kl 8 in tech plug dashboard under steering wheel right D = clutch switch