Horn Circuit - Hitachi ZW180 Technical Manual

HORN CIRCUIT

•
When the key switch is turned to the ON position,
the power from terminal M excites the battery
relay through fuse #8 of fuse box A. The battery
power is routed to the horn relay through fuse #14
of fuse box A.
From Fuse #7 of
Fuse Box B
Horn
Switch
Horn
To Fuse #7 of Fuse
Box B
SYSTEM / Electrical System
Key Switch
Horn Relay
Fusible
Link
•
When the horn switch is pushed, it is grounded.
•
Therefore, the horn relay is excited. The battery
power enters the horn and the horn sounds.
Battery
Relay
T2-4-27
Fuse Box A
8
14
Battery
Fuse
(120A)
T4GD-02-04-008