Inspect loom for breaks, cracks, and damage. If defective, repair defective loom as required. Use electrical tape
at split ends of loom as required.
Inspect for missing or unreadable harness and wire markers (8 and 9). If defective, apply new markings or
replace markers. Use semitrailer electrical schematic (figure FO-1) as a guide for proper wire markings.
Install W4 harness (5) onto platform.