TM-9-2330-267-14-P
TRAILER, TANK, WATER: 400 GALLON, 1-1/2 TON, 2 WHEEL M149, M149A1 AND M149A2
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)
JULY 1991
TM-9-2330-267-14-P - Page 65 of 354
TM 9-2330-267-14&P
Table 4-2. Organizational Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
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.
4.
BLACKOUT STOPLIGHT 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 technical maintenance manual).
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.
TA506995
4-15
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