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TM 9-2320-364-20-2
2-1405
(1) Disconnect wire 1168 from horn.
(2) Set multimeter select switch to
volts dc.
(3) Connect positive (+) multimeter lead
to wire 1168 at horn.
(4) Connect negative (–) multimeter lead
to a known good ground.
(5) Turn ON ENGINE switch
(TM 9-2320-364-10).
(6) While assistant presses horn button,
observe multimeter.
(a) If 22 to 28 vdc are not present,
perform Steps (7) and (8) below
and go to Step 3 of this Fault.
(b) If 22 to 28 vdc are present,
perform Steps (7) and (8) below
and go to Step 2 of this Fault.
(7) Turn OFF ENGINE switch.
(8) Reconnect wire 1168 to horn.
VOLTAGE TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
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