TM 9-2320-366-10-2
Table 3-2. Troubleshooting (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
This table is used to identify circuit breakers for electrical system troubleshooting.
Reference
Function
CB
Circuit
Designator
Amps
Voltage
CB20
Cab Radio
25
24
CB21
Air Dryer, Dump Up Indicator Light, Dump Up Indicator Switch,
15
24
Frequency Divider, Interaxle Differential Solenoid, and Starter
Pushbutton Switch
CB22
Engine Fan Off Switch, Ether Start Solenoid, Ether Start Switch,
10
24
Ether Sensor, Fan Solenoid, and Water Temperature Switch (fan)
CB23
Personnel Heater
15
24
CB30
Chemical Alarm, Chemical Detector, and Chemical Detector
10
24
Indicator Light
CB35
WTEC II TEPSS and WTEC II VIM
15
12
CB36
Horn
20
24
CB37
Windshield Wiper ECU and Wiper Motor
20
24
CB38
Rotating Warning Light(s)
20
12
CB39
24 VDC Intervehicular Blackout Stop Light
10
24
CB40
CTIS, CTIS Air Pressure Switch, CTIS Overspeed Indicator Light
10
24
CB41
24 VDC Intervehicular Clearance and Rear Light
15
24
CB42
24 VDC Intervehicular Blackout Clearance, Left Blackout Marker,
10
24
and Right Blackout Marker
CB43
(WTEC II) 24 VDC Intervehicular Left Turn and Spotlight/WTEC III
15
24
Transmission ECU
CB44
(WTEC II) 24 VDC Intervehicular Right Turn and Stoplight/(WTEC
15
24
III) 24 VDC Intervehicular left and Right Turn Signals and Stoplights
CB49
Fuel Water Separator, PTO Solenoid, PTO Switch, Winch In
15
24
Solenoid, Winch In/Out Switch, Winch Out Solenoid, and Winch
Switch
CB50
Dump Down Solenoid, Dump Up Solenoid, Dump Up/Down
15
24
Solenoid, Tailgate Release Solenoid, Tailgate Release Switch,
Wrecker Control Panel, and Wrecker Remote Control
CB53
Material Handling Crane
15
12
Change 1
3-29