TM 9-2350-287-20-1
12-19. TROUBLESHOOTING CHART (continued).
h. LIGHTS (continued).
(7) HIGH BEAM INDICATOR LIGHT FAILS TO
OPERATE. All other lights operate.
Initial Setup:
Tools/Test Equipment:
Digital multimeter (DMM) (Item 13, Appendix I)
General mechanic’s tool kit (Item 24,
Appendix I)
Equipment Conditions:
MASTER switch set to OFF (refer to TM
9-2350-287-10).
Portable instrument panel stowed in outside
position (refer to TM 9-2350-287-1 0).
For this entire task ensure the light switch
is set to service drive (SER DRIVE);
headlights are on high beam (refer to
TM 9-2350-287-1 0).
NOTE
Instead of using multi meter
for voltage
check, STE/lCE
troubleshooting,
INDIVIDUAL
BATTERY VOLTAGE TEST-TEST
89 maybe performed.
Instead of using multi meter
for continuity check, STE/lCE
troubleshooting, TEST 91 may
be performed.
A. 1. Remove lens and light bulb from high
beam indicator socket.
2. Place red lead of multimeter in indicator
light socket and ground black lead.
3. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
4. Check for 24 ± vdc.
5. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Is voltage indicated?
Replace indicator light bulb (para 7-9).
Verify problem is solved.
Continued on next page
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