TM 9-2320-280-20-2
4-101. INTERIOR LIGHTING HARNESS ASSEMBLY REPLACEMENT (M997, M997A1, M997A2)
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Applicable Models
Manual References
M997, M997A1, M997A2
TM 9-2320-280-10
TM 9-2320-280-24P
Tools
General mechanic’s tool kit:
Equipment Condition
automotive (Appendix B, Item 1)
Battery ground cable disconnected (para. 4-73).
Rear door blackout switch removed (para. 4-93).
Materials/Parts
Electrical outlet/bracket removed (para. 4-90).
Eight lockwashers (Appendix G, Item 110)
Four nut and lockwasher assemblies
(Appendix G, Item 146)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
4-212
Remove four screws (4), lockwashers (5), and cover (3) from control box (6). Discard lockwasher (5).
NOTE
Prior to removal, tag leads for installation.
Remove eight screws (2) and lighting harness leads (1) from terminal block (7) and mounting
buss (9).
Remove two screws (13), clamps (14), and lighting harness (12) from duct (15).
Disconnect lead 791B (10) from NBC harness lead 791A (8).
Remove grommet (11) and harness (12) from control box (6).
Remove screw (31), clamp (16), and harness (12) from body (20).
Remove four screws (29) and channel (30) from body (20) and pull channel (30) away for access to
clamp (26).
Remove nut and lockwasher assembly (22), screw (27), clamp (26), and light harness (23) from
cover (30). Discard nut and lockwasher assembly (22).
Remove ten screws (24) and cover (28) from body (20). Lower cover (28) to allow access to
harness (12).
Disconnect six harness leads (19) from light leads (25). Remove harness cover (28) and
grommet (17) from cover (28).
Disconnect four harness leads (18) from light leads (21).
