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Page Title:
ALL MARKER LIGHTS AND TAILLIGHTS DO NOT OPERATE. (Cont) |
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 TM 9-2330-385-14
Remove all jewelry such as rings, dog tags,
S
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.
Resistors mounted on exterior of junction box
S
assembly reach very high temperatures when
power is applied to circuit. Avoid touching
or contacting resistors when working in or
around junction boxes. Failure to comply
could result in injury to personnel.
VOLTAGE TEST
(1) Loosen four captive screws and
remove front junction box cover.
(2) Set multimeter select switch to vdc.
(3) Connect positive (+) multimeter lead
to front junction box assembly
terminal 6.
(4) Connect negative (--) multimeter lead
to a known good ground.
(5) While assistant turns ON ENGINE
switch and turns on LIGHT switch,
observe multimeter,
(TM 9-2320-364-10).
(a) If 22 to 28 vdc are not present,
perform Steps (6) and (7) below
and replace connector MC-15,
(b) If 22 to 28 vdc are present, replace
front junction box assembly
(6) Turn off LIGHT switch.
(7) Turn OFF ENGINE switch.
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