TM 5-4610-218-34
CHAPTER 3
REPAIR OF VAN BODY
Section I. VAN BODY ELECTRICAL SYSTEM
(1) Remove the van body clearance lights
3-1. Van Body Electrical System.
a. General. The van body electrical system
(2) Remove the receptacle connector as il-
has two types of circuits. A 24-volt dc current
lustrated in figures 3-3 and 3-4.
powers the clearance lights on the exterior of the
van body, personnel heater fuel pump, and re-
(3) Remove the heater thermostat as shown
ceptacle connector, for the 24-volt extension
in figure 3-5.
light in the interior. The other circuit is a 110-
(4) Remove the door blackout switches as
volt ac current-type and is used to provide power
shown in figure 3-6.
to the van ceiling lights, heater thermostat,
heater electrical system, and a receptacle con-
(5) Remove the ceiling light switches as il-
nector for the 1 10-volt extension light. The 24-
lustrated in figure 3-7.
volt current is provided from the truck chassis
(6) Remove the ceiling lights as illustrated
wiring harness while the 110-volt current is pro-
in figure 3-8.
vialed through a circuit breaker located in the
electrical control cabinet of the water treatment
WARNING
sect ion. Always refer to wiring diagram FO 1
when installing replacement wiring to insure
proper connections.
Be sure to disconnect the main
power supply before repairing or
b. Repair or Replacement of Electrical Com-
replacing electrical connections.
ponents.
Figure 3-1. Van Clearance Lights, One with Door Removed, Removal and Installation
3-1
