TM 9-2320-260-34-2
15-70. BLACKOUT BYPASS WIRING HARNESS REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
REFERENCES (TM)
APPLICABLE MODELS
M820, M820A2
TM 9-2320-260-10
TM 9-2320-260-20
TEST EQUIPMENT
TM 9-2320-260-34P-2
Multimeter (Appendix B, Item 115)
EQUIPMENT CONDITION
TOOLS
External power source disconnected
General mechanic's tool kit
(TM 9-2320-260-10).
Battery ground cable disconnected
(Appendix B, Item 1)
Tool kit, electrical (Appendix B, Item 106)
(TM 9-2320-260-20).
MATERIALS/PARTS
Safety wire (Appendix D, Item 372)
Electrical tape (Appendix C, Item 51)
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 (1) and cover (2) from load center (6).
2. Remove two setscrews (10) and wires (3) from relay (5).
3. Remove screw (8) and wire (9) from 20-amp circuit breaker (7).
4. Remove two screws (16) and cover ( 15) from switch (13).
5. Remove two screws (14) and Pull switch (13) away from van body (11).
6. Loosen three screws (12), remove three wires (17) from switch (13), and remove switch (13) from
van body (11).
NOTE
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.
Z Safety wire must be attached to wires with electrical tape.
7. Remove blackout bypass wiring harness (4) from van body (11).
15-260
