TM 9-2320-392-10-2
ELECTRICAL SYSTEM TROUBLESHOOTING
THIS WORK PACKAGE COVERS:
Electrical System
INITIAL SETUP:
Maintenance Level
Operator
ELECTRICAL SYSTEM
Table 1 identifies circuit breakers for electrical system troubleshooting. Refer to Printed
Circuit Board Decal for circuit breaker locations.
*
Information for vehicle S/N 100,001 to 199,999
**
Information for vehicle S/N 11,438 to 99,999
Table 1. Circuit Breaker Identification for Electrical System Troubleshooting.
REFERENCE
FUNCTION
CB AMPS
VOLTAGE
PDM*
DESIGNATOR
CB20
Radio Power
25.0
24
3
CB21
Air Dryer Heater/Inter-Axle
15.0
24
2
CB22
Inlet Air Heater, Fan OFF and
10.0
24
4
Ether Starting Aid
CB23
Heater Blower
15.0
24
4
CB30
Chemical Detector
10.0
24
3
CB35*
Trailer ABS*
15.0*
24*
4
CB37
Wiper/Washer/Horn
10.0
24
4
CB38
Amber Warning Light
15.0
12
2
CB39
Trailer Blackout Stop
10.0
24
3
CB40
CTIS Power
10.0
24
4
CB41
Trailer Taillight, Blackout
15.0
24
1
Marker
0080 00-1