T a b l e 4-2.
TEST OR INSPECTION
ELECTRICAL SYSTEM (See schematics as follows:)
12 or 24 VOLT LAMPS DO NOT LIGHT.
Check intervehicular cable receptacles for proper connections.
Pull plug out and reinsert fully.
Check setting of light switch on towing vehicle.
Set light switch properly.
If light switch is set properly, go to step 3.
If circuit breaker open, reset circuit breaker.
Check wiring for bare spots in insulation.
If wiring not defective, go to step 5.
Check ground connector for loose or broken connections.
ONE OR MORE LAMPS ON CHASSIS OR BODY WILL NOT LIGHT.
C h e c k for burned out lamp.
If lamp does not light, go to step 2.
Check for broken or shorted wire in cable or loose connection in plug
If wiring and connections not damaged, go to step 3.
C h e c k for damaged light assembly.
Replace light assembly, if damaged (paras. 4-17 through 4-21).
I f light assembly is not damaged, go to step 4.