TM-9-2320-209-10-1
2 1/2-TON, 6X6, M44A1 AND M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; OPERATION, INSTALLATION AND REFERENCE DATA; OPERATOR LEVEL
SEPTEMBER 1980
TM-9-2320-209-10-1 - Page 32 of 549
TM 9-2320-209-10-1
c. Electrical System.
The electrical system (fig. 2-4) is a 24-volt dc system .
Two 12-volt storage batteries are connected in series with the negative terminal
grounded.
The engine starter motor operates directly from the 24-volt source. The
system uses a belt-driven, 24-volt generator having an output capacity of 25 amperes.
A battery-generator indicator is located on the instrument panel. Wiring harnesses
are used to carry current to operate equipment and accessories.
Circuit breakers are
included to protect circuits from overload.
1.
2.
3.
4.
5.
6.
7.
Trailer coupling
Horn button
Gages and controls
Regulator
Manifold air heater ignition unit
Starter
8.
Lights
9.
Generator
10.
Oil pressure gage sending unit
11.
Batteries
12.
Ground strap
13.
Fuel level gage sending unit
Water temperature gage
sending unit
Figure 2-4.
Electrical System Component Location
2-6
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