Service Manual

9.105
Model 8042, 10042, 10054 Legacy Rev. 10/03
Electrical System
9.7.28 10054 Logic Harness & Boom Extend Interlock Harness Electrical Schematic Legend
(SN 19080 - 19987 And 0160002332 & After)
Wire No. Page Gauge Color From - Function - To
2
9.107
14 BLK Splice 2A to Cab Ground Stud
2A1 16 BLK Left Outrigger Lock Relay (Pin 85) to Right Outrigger Lock Relay (Pin 85)
2A2 16 BLK Right Outrigger Lock Relay (Pin 85) to Boom Extend Interlock Relay (Pin 85)
2A3 16 BLK Splice 2A to Left Outrigger Lock Relay (Pin 85)
2B2 16 BLK Boom Extend Lockout Relay (Pin 85) to Park Brake Interlock Relay (Pin 85)
2B3 16 BLK Splice 2A to Boom Extend Lockout Relay (Pin 85)
2C1 16 BLK Stabil-TRAK Interlock Relay (Pin 85) to Stabil-TRAK Lock Up Relay (Pin 85)
2C2 16 BLK Splice 2A to Stabil-TRAK Interlock Relay (Pin 85)
2D 16 BLK Splice 2B to Outrigger Valve Solenoid (Left Down) (Pin 2)
2E 16 BLK Splice 2B to Outrigger Valve Solenoid (Left Up) (Pin 2)
2F 16 BLK Splice 2B to Outrigger Valve Solenoid (Right Down) (Pin 2)
2G 16 BLK Splice 2B to Outrigger Valve Solenoid (Right Up) (Pin 2)
2H 16 BLK Splice 2B to Boom Extend Solenoid Connector (Pin B)
2J 14 BLK Splice 2B to Cab Ground Stud
2K1 16 BLK Splice 2B to Secondary Function Manifold Park Brake Solenoid (PB A) (Pin B)
2K2 16 BLK Splice 2B to Secondary Function Manifold Park Brake Solenoid (PB B) (Pin B)
2L1 16 BLK Splice 2A to Right Outrigger Switch (Pin 7)
2L2 16 BLK Splice 2A to Left Outrigger Switch (Pin 7)
3 14 RED Male Connector at Open Fuse (Cab Harness, Wire 3B) to Splice 3
3A 14 RED Splice 3 to Outrigger Switches/Boom Sensor Fuse
3B 14 RED Splice 3 to Outrigger Cylinders Fuse
3C 14 RED Splice 3 to Female Connector (Option)
716TAN
Stabil-TRAK Lock Up Relay (Pin 30)
to Male Connector at Stabilizer Fuse (Cab Harness, Wire 7)
23 16 ORG/GRN Boom Extend Interlock Relay (Pin 86) to Engine Harness Male Connector (Pin B)
35 16 BRN/GRN
Stabil-TRAK Lock Up Relay (Pin 87A)
to Male Connector at Stabilizer Fuse (Cab Harness, Wire 35)
45A 16 DK BLU/ORG
Stabil-TRAK Lock Up Relay (Pin 87)
to Male Connector at Park Brake Switch (Cab Harness, Wire 152A1)
45B 16 DK BLU/ORG
Female Connector at Park Brake Switch (Cab Harness, Wire 152B1)
to Male Connector at Park Brake Switch (Cab Harness, Wire 152A1)
49 16 RED/BLU Outrigger Switches/Boom Sensor Fuse to Engine Harness Male Connector (Pin A)
50B 16 RED/WHT Boom Extend Lockout Relay (Pin 87A) to Stabil-TRAK Interlock Relay (Pin 86)
50C 16 RED/WHT
Right Outrigger Cylinder Pressure Switch Connector (Pin A)
to Boom Extend Lockout Relay (Pin 87A)
51A 16 BLU/WHITE Park Brake Interlock Relay (Pin 87A) to Splice 51
51B 16 BLU/WHITE Splice 51 to Female Connector at Park Brake Switch (Cab Harness, Wire 107B)
51C 16 BLU/WHITE Splice 51 to Secondary Function Manifold Park Brake Solenoid (PB B) (Pin A)
51D 16 BLU/WHITE Splice 51 to Secondary Function Manifold Park Brake Solenoid (PB A) (Pin A)
52 16 DK BLU/RED
Park Brake Interlock Relay (Pin 30)
to Female Connector at Park Brake Switch (Cab Harness, Wire 41C)
55 16 ORG/RED Boom Extend Lockout Relay (Pin 87) to Splice 56
56 16 GRY/BLU Splice 56 to Left Outrigger Cylinder Pressure Switch Connector (Pin A)
56A 16 GRY/BLU Splice 56 to Outrigger Cylinder Fuse
57 16 GRY/ORG
Right Outrigger Cylinder Pressure Switch Connector (Pin B)
to Left Outrigger Cylinder Pressure Switch Connector (Pin B)
58 16 GRN Boom Extend Lockout Relay (Pin 30) to Boom Extend Solenoid Connector (Pin A)
60A 16 YEL/GRN Outrigger Switches/Boom Sensor Fuse to Splice 60
60B 16 YEL/GRN Splice 60 to Left Outrigger Switch (Pin 2)
60C 16 YEL/GRN Splice 60 to Left Outrigger Switch (Pin 8)
60D 16 YEL/GRN Splice 60 to Right Outrigger Switch (Pin 8)
60E 16 YEL/GRN Splice 60 to Right Outrigger Switch (Pin 2)
61 16 RED/GRY Right Outrigger Lock Relay (Pin 87A) to Outrigger Valve Solenoid (Right Up) (Pin 1)