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9.0 CONNECTOR PINOUTS A/C HIGH PRESSURE SWITCH - 4 WAY CAV CIRCUIT FUNCTION 1 C21 20DB/PK A/C SWITCH SENSE 2 C48 18TN RADIATOR FAN REQUEST 3 C90 20LG (GAS) A/C SWITCH SENSE 3 Z1 18BK (DIESEL) GROUND 4 C22 20DB/WT (DIESEL) A/C PRESSURE SWITCH SENSE 4 C90 20LG (GAS) A/C SWITCH SENSE A/C LOW PRESSURE SWITCH - 2 WAY CAV CIRCUIT FUNCTION 1 Z1 20BK (DIESEL) GROUND 1 C22 18DB/WT (GAS) PRESSURE SWITCH OUTPUT 2 C21 20DB/PK A/C SWITCH SENSE AMBIENT TEMPERATURE SENSOR - BLACK 2 WAY CAV CIRCUIT FUNCTION 1 G31 20VT/LG AMBIENT TEMPERATURE SENSOR SIGNAL 2 G32 20BK/LB SENSOR GROUND AMBIENT TEMPERATURE SENSOR -2 WAY (SENSOR SIDE) CAV CIRCUIT FUNCTION 1 - AMBIENT TEMPERATURE SENSOR SIGNAL 2 - SENSOR GROUND C O E C T O R P I N T 273 CONNECTOR PINOUTS |