Schematic Caterpillar 326D2 & 330D2 Excavator (Electrical System) | UENR8104-02

Feature
Cover Page
Information
Component Location
Vol 1 – Machine Wiring
Vol 2 – Engine Wiring
Connector Location
Vol 1 – Machine Wiring
Vol 2 – Engine Wiring
Schematics
Function Isolation Tools
Grids On/Off
All Circuits Off
All Circuits On
Vol 1 – Machine Wiring
Unspecified Circuit
Black (Ground)
032 (Red) (Battery Power)
640 (Blue) (Key Power)
305 (Lt Blue) (Converter 12v Out)
021 (Orange) (Starting Circuit)
190 (Dk Pink) (Start Aid Circuit)
258 (Dk Purple) (Transmission / Engine Pump Control Circuit)
346 (Med Green) (Monitor Circuit)
430 (Dk Gray) (Machine Security Control Circuit)
509 (Lt Pink) (Engine Control Circuit)
613 (Dk Yellow) (Heater and Air Conditioner Circuit)
4665 (Tan) (Turn Signal / Wiper Washer Circuit)
CON 346 (CAT D.L.)
CON 509 (CAT D.L.)
SUB 141 (Lt Orange) (Implement / Valve / Tool Control Circuit)
SUB 651 (Blue Gray) (Ethernet)
Vol 2 – Engine Wiring
Unspecified Circuit
Black (Ground)
032 (Red) (Battery Power)
640 (Blue) (Key Power)
021 (Orange) (Starting Circuit)
258 (Dk Purple) (Transmission / Engine Pump Control Circuit)
509 (Lt Pink) (Engine Control Circuit)
CON 509 (CAN D.L.)
SUB 141 (Lt Orange) (Implement / Valve / Tool Control Circuit)
Machine Views
Vol 1 – Machine Wiring
Battery Compartment Top View

Cab Bottom

Cab Left Side

Cab Right Side

Cab Top Side

Camera View

Engine Front

Machine Left Rear

Machine Pump Room

Machine Rear View

Machine Right Rear

Machine Top View

Vol 2 – Engine Wiring
Chassis
Engine Rear
Engine Top