TM 9-2330-359-14&P
4-18. JUNCTION BOX REPLACEMENT (M872 AND M872A3 SOUTHWEST MODELS ONLY)
(Cont).
1 .
Remove two screws (7) and plate (6) from junction box (3).
2.
Tag wires for installation.
3.
Loosen nuts (5) and remove wires (4) from junction box (3).
4.
Remove four bushings (2) from junction box (3).
5.
Remove two nuts (10), Iockwashers (9), screws (8), and junction box (3) from frame (1). Discard Iockwashers.
1.
Install junction box (3) on frame (1) with two screws (8), new lockwashers (9), and nuts (10).
2.
Install four bushings (2) in junction box (3).
3.
Position wires (4) in junction box (3) and tighten nuts (5).
4.
Install plate (6) on junction box (3) with two screws (7).
FOLLOW-ON TASKS:
Connect towing vehicle electrical connector to semitrailer (para 2-10).
Check operation of lights.
TA507998
4-16