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Page Title:
Conversion to 24 volt electrical system. |
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|  MIL-D-435F(ME)
TABLE II. Vehicular electrical system. (Continued)
Description
Requirements
Quantity Per
heater
4 ea min
Combination lamps
2 turn and tail outboard and 2 stop and tail
inboard; per TTMA RP No. 14 and SAE J759;
double contact; 3 wire type including ground
wire; waterproof and shock resistant type.
Heavy duty or fleet service type bulbs, bulbs
AR
Lamp lenses and bulbs
mounted in vibration-protected sockets with
insulators end stainless steel or rubber bulb
tension devices.
2 on each corner, round type, securely fastened
8 ea min
Reflectors
by bolts, screws or rivets.
1 ea
Plate furnished on trailer per TTMA
Wiring diagram
Bulletin #65.
3.4.15.1 Conversion to 24 volt electrical system. When specified (see 6.2), the distributor
trailer shall be equipped with a military compatible 24-volt service lighting system to provide
towing capability for the military design trucks as well as commercial trucks. In addition to the
TTMA 7-contact plug, the trailer shall be equipped with the following military intervehicle
components:
a. Military 12-contact plug MS75020-1.
b. Military intervehicular cable MIL-C-13486/12 or SAE J1067 seven conductor
jacketed cable.
The military plug and cable or SAE cable shall be the same length as the TTMA plug and cable
and both shall be labeled with identification plates for 24-volts and 12-volts respectively,
negative ground. The military 24-volt intervehicular cable shall be routed into a splashproof stud
and nut type connection box, equipped with SAE J553 circuit breakers, protecting live circuits B,
E, and J of the military service lamp portion. All unused leads of the cable shall be insulated and
sealed watertight. The military 24-volt circuits shall be connected through replaceable resistors,
for live circuits, and to the trailer frame, for ground circuits, in accordance with table III.
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