KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Continuity Test or
STE/ICE-R Test #91
e54. BLACKOUT MARKER LIGHTS DO NOT ILLUMINATE
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Personnel Required
(2)
Circuit breaker CB66 OK.
Turn signals illuminate.
POSSIBLE PROBLEMS
Faulty main light switch.
Faulty dashboard cable
assembly.
If continuity is not present,
main light switch is faulty.
If continuity is present,
wire 1572 is faulty.
START
1.
YES
NO
Repair wire 1572 from connector
PX15 socket E to terminal board TB1
position 56 (para 2-40) or replace WTEC II
dashboard cable assembly (para 7-10) or
replace WTEC III dashboard cable
assembly (para 7-11).
Replace main light switch (para 7-17).
Is continuity present between
main light switch pins
F and E?
TM 9-2320-365-20-1
NOTE
Perform Electrical System Troubleshooting
e1. Circuit Breaker Does Not Operate on
circuit breaker CB66 prior to beginning this task.
(2-675 Blank)/2-676 Change 1
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, Appendix C)
Multimeter, Digital (Item 22, Appendix C)
References
TM 9-4910-571-12&P
