4-40. ROOF WIRING HARNESS REPLACEMENT
This Task Covers:
Intervehicular cable disconnected from semitrailer
General mechanic's tool kit
Remove ceiling panels as required to access roof wiring harness.
Tag and disconnect roof wiring harness (1) from branched wiring harness (2).
Tag and disconnect wiring to all lights and switches connected to roof wiring harness (1). Refer to wiring
diagrams (para 4-52) and applicable maintenance paragraphs in this section.
Pull roof wiring harness (1) through grommets and remove from semitrailer.
If damaged, remove grommets and discard.