TM 5-4520-253-13
REPLACE CONTROL BOX HARNESS WIRES (CONT)
3. Check wires for cracked, burned, or abraded insulation and replace as needed. Disconnect at least
one end of any wire indicating open circuit and test for continuity. Replace if circuit is open.
4. Replace harness wire as follows:
a.
b.
c.
d.
e.
Replace one wire at a time. Otherwise, old wires must be tagged and retained until new wire
is installed.
Refer to appropriate figure in Appendix F and fabricate wire.
Install new wire between components in accordance with table 3-5. Be sure new wire is under
harness clamp (18). When connecting wires with butt connectors, always use new connectors.
Secure harness clamp (18) using screw (19), lock washer (20), and nut (21).
Bind harness wires using two cable ties (17).
Table 3-6. Fabricated Control Box Harness Wires
Wire
Index
Appendix F
No.
Fig. No.
Action
1
10
Refer to lNSPECT/REMOVE/lNSTALL ROOM THERMOSTAT
RECEPTACLE, page 3-39.
2
9
Refer to lNSPECT/REMOVE/lNSTALL ROOM THERMOSTAT
RECEPTACLE, page 3-39.
4
11
Refer to lNSPECT/REMOVE/lNSTALL ROOM THERMOSTAT
RECEPTACLE, page 3-39.
5
4
Fabricate/Install
7
3
Fabricate/Install
8
2
Fabricate/Install
10
1
Fabricate/Install
13
5
Fabricate/Install
3-54
