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Page Title:
Table 2. Circuit Breaker Identification |
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 TM 9-2320-391-10
ELECTRICAL SYSTEM TROUBLESHOOTING
0069 00
ELECTRICAL SYSTEM - Continued
Table 2 is used to identify 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 2. Circuit Breaker Identification
REFERENCE
FUNCTION
CB AMPS
VOLTAGE
PDM*
DESIGNATOR
CB20
Radio Power
25.0
24
3
CB21
Air Dryer Heater
15.0
24
2
CB22
Fan Off, Inlet Air Heater, 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
8.0
24
4
CB41
Trailer Taillight/Blackout
15.0
24
1
Marker
CB42
Engine ECM** / Two-Way
30.0** /
24
3
Intercom*
20.0*
CB43
Transmission ECU
10.0
24
3
CB44
Trailer Taillight
15.0
24
3
CB45
Fuel Preheat Control/Ignition
15.0
24
3
CB48
Arctic Kit and Light Material
20.0
24
3
Handling Crane
CB49
PTO Power
15.0
24
4
CB50
Van
15.0
24
4
CB54
Blackout Drive Light
8.0
12
1
0069 00-2
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