416E, 420E and 430E Backhoe Loaders Location of Electrical Components Caterpillar


Location of Electrical Components
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Illustration 1g01240244

Steering Console controls

(1) Parking Brake Indicator

(2) High Beam Indicator and Right Turn Indicator

(3) Hazard Switch

(4) Turn Indicator/Lights/Wiper Control Lever

(5) Transmission Control Lever

The steering console includes the features that are described below.

The indicators for the left turn and the parking brake (1) are located to the left side of the steering console. The indicators for high beam and right turn (2) are located on the right side of the steering console. The hazard switch (3) is also located on the steering console. The control lever (4) that is to the right side of the steering column allows the operator to control the turn signals, the lights and the window wipers of the machine. The transmission control lever (5) is on the left of the steering column.




Illustration 2g01445429

(6) Differential Lock Switch

(7) Left Brake Pedal

(8) Right Brake Pedal

(9) Steering Column Tilt Lever

(10) Accelerator Pedal

(11) Storage Compartment

Located below the steering column are the differential lock switch (6), the left brake pedal (7), the right brake pedal (8), steering column tilt lever (9) and the accelerator pedal (10). A large storage compartment (11) is located below the front dash.




Illustration 3g01671033

(12) Transmission Neutral Switch

(13) All Wheel Drive Switch

(14) Service Hour Meter

(15A) Quick Coupler Switch (if equipped)

(15B) Loader Continuous Switch (if equipped)

(15C) Electrical External Power Switch (if equipped)

(15D) Broom Angle Switch (if equipped)




Illustration 4g01445454

(16) Autoshift Switch (standard on 420E and 430E models only)

(17) Ride Control Switch

(18) Roading Lights Switch (if equipped - shown as blank)

(19) Horn Switch (if equipped - shown as blank)

(20) Blank




Illustration 5g01445456

(21) Switch Panel

(22) Gauge Cluster

(23) Governor Lever

(24) Left Stabilizer Control Lever

(25) Right Stabilizer Control Lever

(26) Boom Lock Lever




Illustration 6g01445481

(27) Key Start Switch

(28) Engine Coolant Temperature Gauge

(29) Torque Converter Temperature Gauge

(30) Fuel Level Gauge

(31) Tachometer Gauge

(32) Indicator Panel

(33) Starting Aid Indicator and MSS Indicator

(34) Rotating Beacon

(35) Spare

(36) "AESC " Indicator (if installed)

(37) Rear Wiper and Washer

(38) Implement Lockout

(39) Heater A/C

(40) Front Flood Lights

(41) Temperature Control Knob

(42) Rear Flood Lights

(43) Fan Speed

(44) "AESC" Switch (if installed)

(45) Continuous Backhoe Flow Switch

The right console contains the key start switch (27) that is located to the left of the gauge cluster. The gauge cluster includes the engine coolant temperature gauge (28), the temperature gauge for the torque converter outlet (29), the fuel level gauge (30), and the tachometer gauge (31). The indicator panel (32) is in the center of the gauge cluster. The following switches are located below the gauge cluster:

  • Starting Aid Indicator (33)

  • Rotating Beacon (34)

  • Rear Wiper and Washer (37)

  • Implement Lockout (38)

  • Heater/Air Conditioner Switch (39)

  • Front Flood Lights (40)

  • Temperature Control Knob (41)

  • Rear Flood Lights (42)

  • Fan Speed (43)

  • "AESC" Switch (if installed) (44)

  • Continuous Backhoe Flow Switch (if equipped) (45)




Illustration 7g01445507

(46) Parking Brake Lever

(47) Parking Brake Release

(48) MP Bucket Control (if equipped)

(49) Loader Joystick

(50) Transmission Neutralizer Switch

The joystick for the loader (49) uses a mechanically controlled loader valve. Located on the front of the joystick is the transmission neutralizer switch (50). The parking brake release lever (47) is located at the front of the parking brake lever.




Illustration 8g01445519

Backhoe Controls (Pilot Controlled Valve configuration)

(51) Backhoe Joysticks

(52) Boom Lock Lever

(53) Pilot Control Pod Lever

The backhoe joysticks (51) with a pilot controlled backhoe valve are shown for the 420E and the 430 E machines. The left pilot joystick is equipped with thumb switches to control the auxiliary functions (if equipped) and a horn switch. The right joystick is equipped with a thumb switch to control the "Extendable-Stick" (if equipped) or the hammer (if installed). The boom lock lever (52) locks the boom in place for machine travel. The pilot control pod lever (53) allows adjustment of the pilot lever pods.




Illustration 9g01445520

Backhoe Controls (Mechanical Controlled Valve configuration)

(54) Backhoe Levers

The 414E and the 416E machine with a Mechanical Control backhoe has a two-lever control configuration. The two-lever mechanically controlled configuration of the backhoe joysticks (54) is shown.

Table 1
"Excavator" Pattern    
Left Joystick     Right Joystick    
Forward: Stick Out     Forward: Boom Lower    
Rearward: Stick In     Rearward: Boom Raise    
Right: Swing Right     Right: Bucket Dump    
Left: Swing Left     Left: Bucket Close    

Table 2
"Backhoe" Pattern    
Left Joystick     Right Joystick    
Forward: Boom Lower     Forward: Stick In    
Rearward: Boom Raise     Rearward: Stick Out    
Right: Swing Right     Right: Bucket Dump    
Left: Swing Left     Left: Bucket Close    



Illustration 10g01445525

Left Console

(55) "Joystick Pattern" Switch

(56) Storage Compartment

The default pattern for the joystick is the "excavator" pattern. The alternate pattern for the joystick is the "backhoe" pattern. The pattern for the joystick is selected using the "joystick pattern" switch (55) which is located to the right of the operator's seat (when facing toward rear). A storage compartment (56) is also located next to the pattern switch for the joystick.




Illustration 11g01445526

(55) "Joystick Pattern" Switch

(57) "Joystick Pattern" Decal

The switch for the "joystick pattern" (55) controls two solenoids that allow the backhoe controls to change from an "excavator" to a "backhoe" control pattern. Press the top of the switch in order to select the "excavator" pattern. Press the bottom of the switch in order to select the "backhoe" pattern.

Note: A decal (57) illustrates the joystick pattern options.




Illustration 12g01445536

(58) 12 Volt Power Port (Right Side)

(59) Cat ET Connector

(60) Fuse Panel

Located inside the right door is the Cat Electronic Technician (ET) connector (59) and the fuse panel (60). The cover to the fuse panel has been removed in Illustration 12.




Illustration 13g01445540

(61) 12-Volt Power Port (Left Side)

Located inside the door on each side of the machine are two 12-volt power ports (58) (61).




Illustration 14g01445558

(59) ET Connector

(60) Fuse Panel

(62) Fuse Panel Cover

(63) Decal

The fuse panel (60) is shown with the cover (62) removed. The fuse panel includes a decal (63) that lists the machine fuses and relays.

Note: There are six fuses (not visible) for the three power relay modules. The fuses are located next to the fuse panel. Part of the console must be removed in order to access the fuses for the power relay module.

Information System:

416E, 420E and 430E Backhoe Loaders Hydraulic System
416E, 420E and 430E Backhoe Loaders General Information
416E, 420E and 430E Backhoe Loaders Features
416E, 420E and 430E Backhoe Loaders Event Code List
Installation of the 355-9994 Coupler Lines Gp and the 356-0065 Coupler Lines Gp {5057, 5133}
416E, 420E and 430E Backhoe Loaders Electronic Control Module (ECM) - Configure
416E, 420E and 430E Backhoe Loaders Electrical Output Components
416E, 420E and 430E Backhoe Loaders Electrical Input Components
416E, 420E and 430E Backhoe Loaders Electrical Connector - Inspect
416E, 420E and 430E Backhoe Loaders Diagnostic Code List
416E, 420E and 430E Backhoe Loaders Diagnostic Capabilities
416E, 420E and 430E Backhoe Loaders Connector Locations
416E, 420E and 430E Backhoe Loaders Machine Preparation for Troubleshooting
416E, 420E and 430E Backhoe Loaders Operational Checks (Axle, Differential)
C6.6 Industrial Engine Basic Engine
C6.6 Industrial Engine Air Inlet and Exhaust System
C4.4 Industrial Engine Glossary of Electronic Control Terms
C6.6 Industrial Engine Electronic Control System
C6.6 Industrial Engine Power Sources
330D and 336D Excavators and 330D Material Handlers Machine System Specifications Boom Cylinder
416E, 420E and 430E Backhoe Loaders Operational Checks (Brake System)
416E, 420E and 430E Backhoe Loaders Operational Checks (Steering System)
416E, 420E and 430E Backhoe Loaders Operational Checks (Transmission)
416E, 420E and 430E Backhoe Loaders Power Supply Circuit of Electronic Control Module