TM-9-2330-334-13-P
FAMILY OF MEDIUM TACTICAL VEHICLES (FMTV) LOAD HANDLING SYSTEM TRAILER (LHST) M1147A1
TECHNICAL MANUAL; OPERATOR AND FIELD LEVEL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (RPSTL)
DECEMBER 2013
CHANGE 1
TM-9-2330-334-13-P - Page 60 of 1184
TM 9-2330-334-13&P
THEORY OF OPERATION – Continued
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VOLTAGE CONVERTER BOX
The voltage converter box, mounted underneath the trailer towards the front, is where the 24 VDC (12-
pin) intervehicular cable routes to.
The voltage converter box is equipped with five solid state switches
that convert 24 VDC to 12 VDC when the 24 VDC (12-pin) intervehicular cable is used.
Circuit breakers
located in the voltage converter box prevent excessive voltage or amperage from being supplied to the
trailer electrical system and causing damage to the circuits.
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