6. CAB LAMP CIRCUIT 1) OPERATING FLOW Fuse box (No.16) I/conn CN-6(3) Cabin lamp switch[CS-24(6)] When Lamp switch ON Lamp switch ON [CS-24(2)] I/conn [CN-6(4)] I/conn [CN-10(11)] Cab light ON [CL-8(2), CL-9(2)] 2) CHECK POINT GND : Ground 4 -14 Engine Start switch Check point Voltage STOP ON - GND (Fuse box) - GND (Switch power input) - GND (Switch power output) - GND (Cab lamp) 20 ~ 25V