TM10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
Table 2-2. Unit Troubleshooting -continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
FLATBED CARGO TRAILER ELECTRICAL SYSTEM (Model WPES-1) - continued
2. DIM OR FLICKERING LIGHTS.
Step 1. Disconnect power cable from towing vehicle and check for bent, broken or corroded pins.
If pins are defective, repair or replace power cable. Refer to paragraph 2-94.
Step 2. Check for loose or corroded ground wire.
a. If wire is loose tighten it.
b. If wire is not loose, remove wire from chassis, clean mounting surfaces and reconnect securely.
Step 3. Check for damaged or loose "in-line" connectors.
a. If loose, tighten them.
b. If damaged, replace power cable wiring harness (para 2-94) or light assemblies (para 2-93), whichever is
damaged.
Step 4. Check if one or both light assemblies are affected.
a. If both light assemblies are affected, replace first the power cable assembly, (para 2-94), then the wiring
harness (para 2-95).
b. If only one light assembly is affected, replace the light assembly (para 2-93), the power cable assembly
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