Schematic Caterpillar 307.5, 308.5, 310 Mini Excavator (Electrical System) | UENR8157-02

Features
Cover Page
Information
– Component Location
— Vol 1 – Cab and Chassis (Mechanical Controlled Engine)
— Vol 2 – Engine Wiring (Mechanical Controlled)
– Connector Location
— Vol 1 – Cab and Chassis (Mechanical Controlled Engine)
— Vol 2 – Engine Wiring (Mechanical Controlled)
Schematics
– Function Isolation Tools
— Grids On/Off
— All Circuits Off
— All Circuits On
– Vol 1 – Cab and Chassis (Mechanical Controlled Engine)
— Unspecified Circuit
— Black (Ground Circuit)
— 032 (Red) (Battery Power)
— 640 (Blue) (Key Power)
— 021 (Orange) (Starting Circuit)
— 190 (Dk Pink) (Start Aid Circuit)
— 258 (Dk Purple) (Machine Control Circuit)
— 509 (Lt Pink) (Engine Master Circuit)
— 613 (Dk Yellow) (Heat / Air Conditioner Circuit)
— 4665 (Tan) (Turn Signal / Wiper Washer Circuit)
— CON 509 (CAN Data Link)
— CON 032 (RS-232 / RS-485 Data Link)
— CON 522 (CAN Data Link B)
— CON 305 (CAN Data Link D)
— SUB 651 (Blue Gray) (Ethernet)
– Vol 2 – Engine Wiring (Mechanical Controlled)
— Unspecified Circuit
— Black (Ground Circuit)
— 032 (Red) (Battery Power)
— 640 (Blue) (Key Power)
— 021 (Orange) (Starting Circuit)
— 190 (Dk Pink) (Start Aid Circuit)
— 258 (Dk Purple) (Machine Control Circuit)
— 509 (Lt Pink) (Engine Master Circuit)
— 613 (Dk Yellow) (Heat / Air Conditioner Circuit)
— 4665 (Tan) (Turn Signal / Wiper Washer Circuit)
— CON 509 (CAN Data Link)
— CON 305 (CAN Data Link D)
— SUB 651 (Blue Gray) (Ethernet)
Machine Views
– Vol 1 – Cab and Chassis (Mechanical Controlled Engine)
— Cab Left Side
— Cab Right Side
— Fuse Panel
— Machine Front Frame
— Machine Left Side
— Machine Right Side
— Main Control Valve
– Vol 2 – Engine Wiring (Mechanical Controlled)
— Cab Left Side
— Engine Front 2.4
— Engine Front 3.3
— Engine Rear 2.4
— Engine Rear 3.3