5. BEACON LAMP AND CAB LIGHT CIRCUIT 5. BEACON LAMP AND CAB LIGHT CIRCUIT 1) 1) OPERATING FLOW OPERATING FLOW Fuse box (No.27) I/conn [CN-5 (33)] Beacon lamp switch [CN-23 (8)] Fuse box (No.16) Cab light relay [CR-9 (30, 86)] (1) (1) Beacon lamp switch ON Beacon lamp switch ON Beacon lamp switch ON [CS-23 (4)] Switch indicator lamp ON [CS-23 (11)] l/conn [CN-10 (10)] Beacon lamp ON [CL-7] (2) (2) Cab light switch ON Cab light switch ON Cab light switch ON [CN-116 (7)] I/conn [CN-5 (55)] Cab lamp relay [CR-9 (85) (87)] I/conn [CN-5 (34, 38)] I/conn [CN-10 (11)] Cab light ON [CL-8 (2)] I/conn [CN-10 (12)] Cab light ON [CL-9 (2), CL-10 (2)] 2) 2) CHECK POINT CHECK POINT GND :
Ground 4-14 Engine Start switch Check point Voltage STOP ON ① - GND (fuse box) ② - GND (switch power input) ③ - GND (switch power output) ④ - GND (beacon lamp) ⑤ - GND (fuse box) ⑥ - GND (cabin light relay) ⑦ - GND (switch power output) ⑧ - GND (cab light) 20~25V