jcb JS300 Service Manual page 487

Wires and Connectors
K Fig 2. Batteries and Primary Fuses ( T C-63)
K Fig 3. Main PCB Fuses and Circuits - Sheet 1 of 2
( T C-64)
K Fig 4. Main PCB Fuses and Circuits - Sheet 2 of 2
( T C-65)
Primary Fuse A
Feed Circuits and Devices
Main PCB fuses Ignition switch (C097) and
and relays refuelling pump switch
(C100) (C020)
HECU (C153 J1)
MECU (C015 J1)
Cab interior light
Livelink ECU (C129)
DECU (C109)
Work lights switch (C113)
Cab 12 to 24V converter
(C067)
Work lights switch (cab)
(C114)
C-62
Primary Fuse B
Main feed from the alternator (C042) to the batteries
Primary Fuse C
Glow plugs relay (C250)
Primary Fuse D
Feed to the ignition relay (C033)
Fuse
F19
F18
F17
F22
F15
F29
F24
F23
F16
9813/5100-1
Section C - Electrics
Engine and Power Control
Battery Power Supply and Distribution
C-62