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ELECTRICAL 29 DESCRIPTION AND OPERATION C255 (up to 99MY) Connector/ Pin No. Description Input/Output 1 Rear fog lamps on/off Input 2 Not used - 3 Key in ignition switch Input 4 Clutch pedal depressed (manual models) Input 5 Not used - 6 RH front seat heater on/off Input 7 Hazard warning lamp telltale Output 8 Diagnostic K line Input/Output 9 Alternator charging (engine running) Input 10 Road speed (to ATC ECU) Output 11 Rear screen heater on/off Input 12 Immobiliser passive coil supply Output 13 Hazard warning on/off Input 14 Cruise control on/off Input 15 LH front seat heater on/off Input 16 Not used - 17 Diagnostic L line Input/Output 18 Power to cruise control ECU, switch telltale and inverter/converter Output 19 Not used - 20 Road speed (to cruise control ECU) Output |