Wiring Harness Coding
ldle CO Coding Plug
Control unit [K 54] (Ter. 10) open
Only with CO adjustment (Ter. 10) to ground
Idle Speed Coding Plug
Vectra/Cavalier MT/Vectra/Cavalier 4 x 4:
Control unit [K 54] (Ter. 29) to [K 54] (Ter. 18/35)
Vectra/Cavalier AT4/Omega/Carlton MT:
Control unit [K 54] (Ter. 29) open
Vehicles with Four-Wheel-Drive
Control unit [K 54] (Ter. 21) to
four-wheel-drive control unit [K83] (Ter. 2) engine speed signal
Automatic Vehicles (AT4)
Control unit [K 54] (Ter. 24) to transmission control unit [K 54] (Ter. 25)
(Ioad signal)
Control unit [K 54] fler. 27) to transmission control unit [K 85] fler. 13)
(ignition engagement)