TM 5-3825-229-14&P
4-20. 12- AND 24-VOLT RECEPTACLES (cont)
c. Installation (cont).
(3)
12-Volt Receptacle.
(a)
Install circuit breaker (13) on receptacle.
(b)
Connect harness and converter wires (18) to receptacle (12) and secure with seven
screws (1 7).
(c)
Install receptacle (12) and gasket (3) on cover (6). Secure receptacle to cover with two
screws (2), washers (7) and nuts (8).
(d)
Install assembled cover (6) on nose box and secure cover to box with six screws (4)
and washers (5).
4-21. WIRING
THIS TASK COVERS:
a.
Testing
c.
Removal
b.
Repair
d.
Installation
INITIAL SETUP:
Tools Required:
Equipment Conditions:
Nomenclature:
Ref
Conditions
General Mechanics
Tool Kit
2-23 lntervehicular cables disconnected.
4-22 Battery cable disconnected.
WARNING
Electrical shock hazard exists. Disconnect battery cables (para. 4-22).
a. Testing.
(1)
Connect power cable from towing vehicle, or other DC voltage source, to proper semitrailer
nose box receptacle. Make sure that power is turned off.
(2)
Disconnect wire from defective light. Let wire hang so that it does not contact semitrailer frame
or any other ground point.
(3)
Prepare multimeter for 12-volt DC measurement.
(4)
Turn on towing vehicle power or alternate DC power to semitrailer.
4-42
