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TM 9-2330-398-24
2-44. LEAD ASSEMBLY 12275205 REPLACEMENT.
This Task Covers:
a. Removal
b. Inspection
c. Installation
Initial Setup:
Tools/Test Equipment:
• Semitrailer bonded and grounded (refer to
• General mechanic's tool kit (Item 4, Appendix B)
TM 9-2330-398-10).
• Road-side composite light cover plate removed
Equipment Conditions:
(para 2-30).
• Semitrailer uncoupled (refer to TM 9-2330-398-10).
a.
REMOVAL
1. Tag and disconnect lead 489 connector (7) of lead assembly 12275205 (4) from service light lead 489 connector
at road-side composite light box (1).
2. Tag and disconnect lead 489 connector (6) of lead assembly 12275205 (4) from service light lead 489 connector
at road-side composite light box (1).
3. Tag and disconnect lead 21 connector (5) of lead assembly 12275205 (4) from composite light lead 21 connector
at road-side composite light box (1).
4. Tag and disconnect lead 21-489 connector (11) of lead assembly 12275205 (4) from lead 21-489 connector (10)
of main trailer wiring harness (9).
5. Tag and disconnect lead 21-489 connector (12) of lead assembly12275205 (4) from lead 21-489 connector (8) of
main trailer wiring harness (9).
6. Tag and disconnect lead 489 connector (13) of lead assembly 12275205 (4) from lead 489 connector (2) of lead
assembly 12275206 (3). Remove lead assembly 12275205 (4) from road-side composite light box (1).
b.
INSPECTION
Inspect lead assembly for loose or damaged connectors, frayed or exposed wiring, and worn or missing insulation.
If these conditions exist, perform appropriate repair to harness (para 2-46).
c.
INSTALLATION
1. Connect lead 489 connector (13) of lead assembly 12275205 (4) to lead 489 connector (2) of lead assembly
12275206 (3).
2. Connect lead 21-489 connector (12) of lead assembly 12275205 (4) to lead 21-489 connector (8) of main trailer
wiring harness (9).
3. Connect lead 2,1-489 connector (11) of lead assembly 12275205 (4) to lead 21-489 connector (10) of main trailer
wiring harness (9).
4. Connect lead 21 connector (5) of lead assembly 12275205 (4) to composite light lead 21 connector at roadside
composite light box (1).
5. Connect lead 489 connector (6) of lead assembly 12275205 (4) to service light lead 48$4hnector at roadside
composite light box (1).
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