TM 9-2330-267-14&P
Table 4-2. Organizational Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
Step 6.
Connect wire 23(1 2) at the intervehic-
ular connector, Place the red lead (9)
in wire 23 and check for 24 volts.
If voltage is present, replace
chassis wiring harness (para
4-25).
If voltage is not present,
replace intervehicular cable
(para 4-27).
Step 7.
Remove composite light assembly (para 4-24), and check mounting surface for cleanness,
Clean mounting surface with rag (Item 18, Appendix E) and cleaning compound (Item 5,
Appendix E) as required. Install composite light assembly (para 4-24). If lamp does not
light, replace composite light assembly,
RIGHT OR LEFT BLACKOUT MARKER LIGHT WILL NOT LIGHT.
Step 1.
Using troubleshooting procedures from towing vehicle technical manual, perform test to ensure
that 24 volts are present in towing vehicle socket (3).
Correct towing vehicle wiring (see towing vehicle maintenance manaul).
Step 2.
Check intervehicular cable (2) for corrosion or frayed spots, cuts, and proper connection.
Clean all contact pins (4) with abrasive cloth (Item 6, Appendix E); plug intervehicular
cable (2) into towing vehicle socket (3), ensuring that it is secure. Replace intervehicular
cable if needed (para 4-27).
If lamp does not light, go to step 3
TA506997
4-17
