Specifications

TM 9-2330-384-14&P
5 Circuit Breakers
1-12. ELECTRICAL SYSTEM (Con’t).
b. MAJOR COMPONENTS AND THEIR FUNCTION.
KEY
NAME
1 Voltage Control Unit
FUNCTION
Mounted on nose adapter at front of semitrailer. Regulates and
directs power flow from tractor to semitrailer lights. 12-volt and
24-volt electrical connectors are mounted on cover of unit.
2 12-volt Electrical
Connector
Male connector for tractor 12-volt intervehicular plug.
3 Resistors
4 24-volt Electrical
Connector
Used to reduce incoming 24 V to 12 V.
Male connector for tractor 24-volt intervehicular plug.
Protect semitrailer circuits from too much current passing through.
Are a cycling or continuously self-resetting unit. Circuit breakers
CANNOT be reset manually.
6 Conduit
Metal tubing protects individual wires, or groups of wires, from
damage.
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