TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
h. LIGHTS (continued).
(14) STOPLIGHT FAILS TO OPERATE. All other lights
to operate (continued).
CONTINUED FROM B
B. 2. Remove eight screws, Iockwashers, and
brace from left side of crew compartment.
3. Remove screws, spacers, and wiring har-
ness cover from rear of crew compartment.
4. Disconnect wire 22 of harness 12330252
from taillight assembly harness.
5. Place red lead of multimeter on socket of
wire 22 of harness 12330252 and ground black
lead.
6. Have assistant turn MASTER switch ON
(refer to TM 9-22350-287-10).
7. Check for 24 ± 3 vdc.
8. Have assistant turn MASTER switch OFF
(refer to TM 9-2350-287-10).
Is voltage indicated?
Repair or replace Ieft taillight assembly (para
7-33). Verify problem is solved.
C. 1. Loosen six screws, Iockwashers, and cover
from driver’s instrument panel.
2. Disconnect harness 12330252 from lighting
switch.
NOTE
To complete this step you will need to
fabricate a muttimeter extension
using at least 12 feet of wire and
make sure the end of the wire is able
to be used as a probe into a socket.
3. Have assistant place one lead of multimeter
to socket C of harness 12330252 light switch
connector and place other lead on socket of
wire 22 of harness 12330252 connector at rear
of crew compartment.
4. Check for continuity.
Is continuity indicated?
Continued on next page
2-185
