Figure 5-4. P4, P7 Low Fuel Cable Repair.
5-5. Wiring Harness Repair. Wiring harness may be repaired by replacing loose or damaged terminals,
connectors and insulation sleeving. Connectors are not repairable. Connectors are replaced by unsoldering
wires from contacts and resoldering onto replacement connector contacts. Tag wires to identify their relevant
connector pins before unsoldering. Terminals may be crimped or soldered. Refer to TB SIG 222 and TM 55-
1500-323-25 for soldering procedure.
5-6. Ground Wire Assembly Repair. The ground wire assemblies are repaired by tightening or replacing
loose or damaged terminals. The repair parts and special tools list in this manual lists part numbers for the
terminals. Desolder damaged terminals and solder replacement terminals onto wires in accordance with TB
SIG 222 and TM 55-1500-323-.
5-7. Power Distribution Unit (PDU) Repair . (See figure 5-5 ) This paragraph covers replacement (and
repair, where applicable) of the PDU minor components and housing. For repair and/or replacement of major
PDU components, refer to paragraphs 5-8 through 5-11.
Relay Bracket Replacement.
Release cover latch (1, figure 5-5) and open PDU cover (2).
Remove relay (paragraph 4-25).
Remove diodes (paragraph 5-10).