TM 5-3805-281-24-2
Wiring Harness and Switches
FUNCTIONAL SCHEMATIC AND COMPONENT LOCATION LEGEND
NOTE: A2--Engine and Pump Controller (SE8, W2)
B18--Rear Pump Pressure Sensor (SE7, W1)
B19--Front Pump Pressure Sensor (SE7, W1)
A2 indicates component identification number.
B20--Arm In Pressure Sensor (SE7, W1)
B21--Rear Pump Control Pressure Sensor (SE7,
Engine and Pump Controller indicates
W1)
component name.
B22--Front Pump Control Pressure Sensor (SE7,
W1)
SE8 indicates section numbers of SYSTEM
B23--Right Speaker (SE14, W2)
FUNCTIONAL SCHEMATIC where component
B24--Left Speaker (SE14, W2)
is located.
B25--High Note Horn (SE15, W1)
B26--Low Note Horn (SE15, W1)
W2 is the identification number of the
B27--Air Conditioner High and Low Pressure Switch
COMPONENT LOCATION and HARNESS
(SE17, W9)
CONNECTOR (WITH WIRE AND PIN
B28--Not Used
LOCATION) drawings for the component. This
B29--Air Conditioner and Heater Thermistor (SE17,
would indicate that the Engine and Pump
W9)
Controller is connected to W2 Cab Harness.
B30--Hydraulic Oil Filter Restriction Switch (SE6,
W1)
B31--Not Used
A1--Radio (SE14, W2)
B32--Overload Alarm Proximity Switch (SE19, W1)
A2--Engine and Pump Controller (SE8, W2)
B33--Overload Alarm Pressure Switch (SE19, W1)
A3--Air Conditioner Controller (SE17, W9)
B34--Auxiliary Hydraulic Control Switch (SE18, W2)
A4--Engine Mode and RPM Control Unit (SE4, W2)
A5--Monitor Controller and Display (SE5, W3)
E1--Left Work Light (SE13, W1)
A6--Quick Hitch Control Box (SE19, W2)
E2--Not Used
E3--Cab Dome Light (SE15, W2)
B1--Air Filter Restriction Switch (SE6, W1)
E4--Monitor Controller and Display Backlight (SE5,
B2--Fuel Level Switch (SE6, W1)
W3)
B3--Engine Coolant Temperature Switch (SE6, W1)
E5--Engine RPM Dial Backlight (SE4, W2)
B4--Engine Oil Pressure Switch (SE6, W1)
E6--Right Work Light (SE13, W1)
B5--Hydraulic Oil Level Switch (SE6, W1)
E7--Left Cab Drive Light (SE13, W1)
B6--Engine Coolant Level Switch (SE6, W1)
E8--Right Cab Drive Light (SE13, W1)
B7--Engine Oil Level Switch (SE6, W1)
E9--Left Rear Light (SE13, W1)
B8--Fuel Level Sensor (SE6, W1)
E10--Right Rear Light (SE13, W1)
B9--Engine Coolant Temperature Sensor (SE4, W1)
B10--Not Used
F1--Radio and Monitor Controller Backup 5 Amp
B11--Not Used
16
Fuse (marked Back Up) (SE6, W2)
B12--Charge Air Temperature Switch (SE6, W1)
1674
F2--Engine and Pump Controller 10 Amp Fuse
B13--Boom Up Pressure Switch (SE7, W1)
3
(marked Controller) (SE9, W2)
B14--Dig Pressure Switch (SE7, W1)
F3--Engine Control (EC) Motor 10 Amp Fuse
B15--Propel Pressure Switch (SE7, W1)
(marked EC Motor) (SE9, W2)
B16--Engine Speed (N) Sensor (SE8, W1)
F4--Solenoid 5 Amp Fuse (marked Solenoid) (SE9,
B17--Engine Control (EC) Sensor (Located Inside
W2)
Engine Control Motor Housing) (SE7, W1)
Continued on next page
CED,OUOE012,182
1919APR991/4
