HOUSING 9T0297 - Caterpillar

Circuit Breakers and Relays in Cab
Illustration 1 g03443058Push in the button to reset the circuit breaker. If the electrical system is working properly, the button will remain depressed. If the button does not remain depressed, check the appropriate electrical circuit. Repair the electrical circuit, if necessary.Note: The circuit breakers for the low beam headlights, the high beam headlights, and the fog lights are automatic reset circuit breakers.Breaker (Auto Reset) (1) - Engine Diagnostic Connector, Clearance Lights Relay, Head/Tail Light Switch, Hooper, Flasher, Fog Lights, Windrow Lights, Brake Lights, Engine Service Light SwitchBreaker (2) - Load Brake Switch, Dome Light, TC900 Connector, Advisor, Brake Accumulator Drain, Hydraulic Box Service Light, Stairway Light Switch, Key SwitchBreaker (3) - Press to Test Switch, Low Hydraulic Oil Level Indicator, Low Fuel Sensor, Low Brake Pressure Indicator, Low Fuel Indicator, Low Hydraulic Oil Level Sensor, AA1 AlarmBreaker (4) - Wiper Switch, Fan Switch, Water Valve, and ControllerBreaker (5) - High Hydraulic Oil Temp Indicator, Auto Lube Alarm Reset Switch, Auto Lube Alarm Relay, Auto Lube Alarm Indicator, Low Steering Pressure Switch, Speedometer, Engine Circuits, Weigh System TransducersBreaker (6) - Hoist Lever Sensor Supply, Back Up Lights On S/S (If equipped), Auto Apply Service Brakes, Mirror Heaters (If equipped)Breaker (7) - Power Windows, Power in Center Console, 24V Vacuum Supply (If equipped)Breaker (8) - Shift Lever Sensor, System Fault Red Indicator, Retarder Continuous Indicator, System Fault Amber Indicator, Brake Oil Temperature IndicatorBreaker (9) - Weigh System Grid Display (If equipped), Weigh System Cab Display (If equipped)Relay (10) - Stop EngineRelay (11) - Engine KillRelay (12) - Check EngineRelay (13) - Hand BrakeRelay (14) - Foot BrakeRelay (15) - Speed Event
Illustration 2 g06232476Relay (16) - System Fault Red RRelay (17) - Auto Lube PressureRelay (18) - System Fault AmberRelay (19) - Brake LightRelay (20) - Park Brake Indicator Switch RelayRelay (21) - Park Brake Release RelayRelay (22) - Backup Light (Platform) RelayRelay (23) - Brake Accumulator Drain RelayRelay (24) - Park Brake Delay RelayRelay (25) - Auto Lube RelayRelay (26) - Auto Lube Alarm RelayFuses and Relays in Electrical Box
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Upper fuse box (27)
( 29) Fuel Priming Pump - Relay (30) Body Raise Light - Relay (31) Backup Alarm - Relay (32) Movement Light - Relay (33) Brake Temperature Light - Relay (34) Spare - 10 A (35) Spare - 10 A (36) Spare - 10 A (37) Spare - 10 A (38) Spare - 10 A (39) Engine Prelube - 10 A (40) Engine Start - 15 A (41) Chassis - 10 A (42) Backup Alarm - 10 A (43) Interior Service Tool Port - 10 A
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Lower fuse box (28)
( 44) Engine Prelube - Relay (45) Engine Start - Relay (46) Engine Lock Light - Relay (47) Transmission Lock Light - Relay (48) Idle Shutdown Timer - Relay (49) Fuel Priming Pump - 15 A (50) Inverter Cabinet - 15 A (51) Inverter Cabinet - 15 A (52) Inverter Cabinet - 15 A (53) Inverter Cabinet - 15 A (54) VIMS - 10 A