FRONT SIDE MARKER LIGHT DOES NOT OPERATE (CONT). -725550157

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) Set multimeter select switch to

volts dc.

(2) Connect positive (+) multimeter lead

to center contact of socket.

(3) Connect negative (--) multimeter lead

to a known good ground.

(4) While assistant turns ON ENGINE

switch and turns on lights, observe

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

(a) If 22 to 28 vdc are not present,

perform Step (5) below and go to

Step 4 of this Fault.

(b) If 22 to 28 vdc are present,

side marker light socket is OK.

(5) Turn off lights and turn OFF ENGINE

switch.

CONTINUITY TEST

(1) Set multimeter select switch to ohms.

(2) Is there continuity between front

marker light socket ground and

wire 1435-23?

(a) If there is no continuity, replace

front marker light (Para 4-27).

(b) If there is continuity,

repair/replace wire 1435-23 (see

schematic Fig FO-1) or replace

front side marker harness

(Para 4-30) and perform Steps (3)

and (4) below.

(3) Install marker light lamp.

(4) Install light lens and two screws.