.
OPERATION
EXPLANATION OF COMPONENTS
Fuse box III
No.
Fuse
capacity
Circuit name
(21) 20A Pre-heater relay, engine controller
(22) 20A Wiper motor, washer motor
(23) 20A Air conditioner blower motor
(24) 10A Air conditioner compressor
(25) 10A Spare
(26) 10A Spare
Fuse box IV
No.
Fuse
capacity
Circuit name
(27) 30A Power source for fuse box
Fuse box V (HD325 Only the machine of 4WD specifications)
No.
Fuse
capacity
Circuit name
(28) 5A 4WD controller
(29) 5A 4WD controller
(30) 5A Spare
(31) 5A Spare
(32) 5A Spare
(33) 5A Spare
Contact your Komatsu distributor before using any spare fuse terminal.
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