TM 9-2330-359-14&P
4-27. WIRING HARNESS REPLACEMENT
This Task Covers:
a.
Main Wiring Harness Removal
f.
Main Wiring Harness Installation
b.
Front Wiring Harness Removal
g.
Front Wiring Harness Installation
c.
Intermediate Wiring Harness Removal
h.
Intermediate Wiring Harness Installation
d.
Rear Wiring Harness Removal
i.
Rear Wiring Harness Installation
e.
Cleaning and Inspection
Initial Setup:
Equipment Conditions:
Materials/Parts:
Towing vehicle electrical connector disconnected
Marker tags (Item 13, Appendix E)
from semitrailer (para 2-18).
Tools/Test Equipment:
General mechanic’s tool kit
Common no. 1 shop set
NOTE
Refer to wiring diagrams in paragraph 4-29 for assistance in wiring harness
replacement.
1.
Tag main wiring harness wires for installation.
2.
Disconnect main wiring harness wires from receptacles in nose box.
3.
Disconnect main wiring harness wires from stop, tail, directional, and license lights and to front wiring harness.
4.
Remove main wiring harness from clamps.
5.
Remove main wiring harness from semitrailer.
1.
Tag front wiring harness wires for installation.
2.
Disconnect terminal lugs from clearance lights and intermediate wiring harness.
3.
Remove front wiring harness from clamps.
4.
Remove front wiring harness from semitrailer.
1.
Tag intermediate wiring harness wires for installation.
2 .
Disconnect intermediate wiring harness wires from clearance lights and rear wiring harness.
3.
Remove intermediate wiring harness from clamps.
4.
Remove intermediate wiring harness from semitrailer.
4-32
