Omega B
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Wiring Harness Coding
Engine control unit assignment for transmission type
MT vehicles
Astra - F Vectra / Cavalier, Calibra, Omega - B
Ter. 30 To ground Ter. 30 To ground Ter. 10 Unoccupied Ter. 10 Occupied in control unit, open in vehicle Ter. 11 Unoccupied Ter. 11 Occupied in control unit, open in vehicle Ter. 32 To tachometer (option) Ter. 32 To tachometer (option)
AT vehicles
Omega - B Vectra / Cavalier, Calibra
Ter. 30 To AT control unit Ter. 30 To anti - theft warning system or ignition lock K 85 / Ter. 1 (P /N switch) Ter. 10 To AT control unit Ter. 10 To AT control unit K 85 / Ter. 13 K 85 / Ter. 4 (load reduction ignition retard) Ter. 11 To AT control unit K 85 / Ter. 25 Ter. 11 To AT control unit Ter. 32 To AT control unit K 85 / Ter. 29 and K 85 / Ter. 55 (load signal) tachometer (option) Ter. 32 To AT control unit K 85 / Ter. 11 and tachometer (option)
Engine control unit assignment for air conditioning
Vehicles without AC Vehicles with AC
Ter. 12 Occupied in control unit, Ter. 12 To AC compressor pressure switch S109 open in vehicle Ter. 31 Occupied in control unit, Ter. 31 To AC switch S20 open in vehicle Ter. 53 Occupied in control unit, Ter. 53 To AC compressor cutoff relay K60 open in vehicle
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