Hitachi ZW180 Technical Manual page 181

(When forming a self-exciting circuit)
Parking Brake
Switch
ON
NEUTRAL
OFF
A B E F G H
NOTE: The illustration shows the current flow
when the parking brake switch remains
pushed after the parking brake switch has
been turned OFF with the engine running.
SYSTEM / Electrical System
From Fuse #2 of
2-18
Monitor Unit
2-2
From Terminal L
of Alternator
Parking Brake Parking Brake
Relay 2 Relay 1
A B C D E A B C D E
2-18
Monitor Unit
2-2
From Terminal L
of Alternator
Fusible
Link
Key Switch
Fuse Box B
Battery
Relay
T2-4-31
Fuse Box A
8
2
7
Battery Fuse
(120A)
T4GD-02-04-004