CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
TM 9-2350-256-20
2-19 ELECTRICAL TROUBLESHOOTING-Continued
SERVICE STOPLIGHT-Continued
WARNING
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry contacts a metal
surface a direct short may result in instant
heating of tools, damage to equipment, and
injury or death to personnel.
E
Place red lead of multimeter on pin D of wire
75/16 and black lead on pin L of wire 75. Check
for continuity. If continuity is present, go to step
F. If continuity is not present, go to step I.
F
Reconnect switch panel to gage panel and
miscellaneous switches wiring harness to main
switch panel. Disconnect main lighting and
master relay wiring harness from main lighting
switch. Place red lead of multimeter on pin C and
black lead on pin K. Check for continuity. If
continuity is present, go to step G. If continuity is
not present, replace main lighting switch (see
paragraph 6-10).
G
Place red lead of multimeter on pin A and black
lead on pin F. Check for continuity. If continuity
is present, go to step H. If continuity is not
present,
replace
main
lighting
switch
(see
paragraph 6-10).
2-286