TM 9-2330-381-14
4-38. W4 HARNESS (CONT)
2.
Using semitrailer electrical schematic (figure FO-1) as a guide, reconnect socket connectors for W4 harness (3) to
platform lighting.
3.
Using semitrailer electrical schematic (figure FO-1) as a guide, reconnect W4 harness (5) to platform junction box
terminal boards TB1 (3) and TB2 (4).
NOTE
Tiedown straps should be placed in a logical position to secure wiring harness.
4.
Reinstall new tiedown straps as required.
5.
Secure harness in place by installing harness back into loop clamps (para. 4-31).
6.
Install two covers (2) on junction boxes TB1 (3) and TB2 (4) and secure with four captive screws (1).
FOLLOW-ON MAINTENANCE
Couple semitrailer and towing vehicle (para. 2-24) and check lights for proper operation.
4-39. APU WIRING HARNESS
This task covers:
a. Removal
b. Inspection
c. Installation
INITIAL SETUP
Tools
General mechanics tool kit, item 16, appx. B
Electrical repair kit, item 18, appx. B
Materials/Parts
Tiedown straps (as required), item 27, appx. E
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