TM 9-2320-260-34-2
15-72. RIGHT AND LEFT SIDE BLACKOUT WIRING HARNESS REPLACEMENT
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP
REFERENCES (TM)
APPLICABLE MODELS
TM 9-2320-260-10
M820, M820A2
TM 9-2320-260-20
TEST EQUIPMENT
TM 9-2320-260-34P-2
Multimeter (Appendix B, Item 115)
EQUIPMENT CONDITION
TOOLS
q External power source disconnected
(TM 9-2320-260-10).
General mechanic's tool kit
q Van body sides fully expanded and secured
(Appendix B, Item 1)
(TM 9-2320-260-10).
Toolkit, electrical (Appendix B, Item 106)
q Battery ground cable at frame disconnected
MATERIALS/PARTS
(TM 9-2320-260-20).
q Hinged-roof operated blackout circuit plunger
Safety wire (Appendix D, Item 371)
Electrical tape (Appendix C, Item 51)
removed (TM 9-2320-260-20).
CAUTION
Use care when replacing wiring harness. Excessive snagging or
pulling may damage wiring harness.
NOTE
Tag wires, cables, and leads for installation.
1.
Remove six screws (22) and cover (21) from load center (16).
NOTE
Perform steps 2 and 3 for right side blackout wiring harness.
2. Remove screw (5) and wire (6) from rear door blackout switch (7).
3. Remove screw (10) and wire (11) from relay (12).
NOTE
Perform steps 4 and 5 for left side blackout wiring harness.
4. Remove screw (9) and wire (8) from rear door blackout switch (7).
5. Remove setscrew (14) and wire (13) from neutral bar (15).
6. Remove six screws (25) and cover (20) from van body (1). Pull cover (20) forward.
7. Remove nut (23) and connectors ( 19) and (18) from cover (20).
8. Remove nut (3) and connectors (2) and (1) from van body (1).
9. Remove two screws (17) and connector (18) from connector (19).
10. Remove two screws (26) and connector (27) from connector (2).
11. Remove grommet (4) from van body (1).
NOTE
q Safety wire will be used to install new wiring harness. Do not
cut safety wire from spool until wiring harness has been pulled
through and proper length has been obtained.
q Safety wire must be attached to wires with electrical tape.
12. Remove blackout wiring harness (24) from van body (1).
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