TAILLIGHT(S) DO NOT OPERATE. (Cont) -725550381

TM 9-2330-385-14

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.

VOLTAGE TEST

(1) Connect positive (+) multimeter lead

to front junction box, terminal 20.

(2) Connect negative (- ) multimeter lead

to a known good ground.

(3) While assistant turns ON ENGINE

switch and turns on lights, observe

multimeter (TM 9-2320-364-10).

(a) If 10 to 14 vdc are not present,

perform Steps (4) and (5) below,

and replace front junction box

(b) If 10 to 14 vdc are present, front

junction box is OK.

(4) Turn off lights.

(5) Turn OFF ENGINE switch.

(6) Install front junction box cover

and tighten four captive screws.

VOLTAGE TEST

(1) Remove four locknuts and junction

box guard. Discard locknuts.

(2) Loosen four captive screws and

remove rear junction box cover.

(3) Connect positive (+) multimeter lead

to rear junction box, terminal 20.

(4) Connect negative (- ) multimeter lead

to a known good ground.

(5) While assistant turns on ON ENGINE

switch and turns on lights, observe

multimeter (TM 9-2320-364-10).

(a) If 10 to 14 vdc are not present,

perform Steps (6) and (7) below,

and repair wire 1008-20 (see

schematic, Fig FO-1) or replace

side wire harness (Para 4-30).

(b) If 10 to 14 vdc are present,

wire 1008-20 is OK.

(6) Turn off lights.

(7) Turn OFF ENGINE switch.