TM 9-2320-392-10-2
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0080 00
ELECTRICAL SYSTEM Continued
Table 3. Electrical System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
12. SPEEDOMETER
2.
Is vehicle S/N
1. If vehicle S/N is 11,438 to
DOES NOT
11,438 to 99,999?
99,999 got to test 3 of this
OPERATE OR IS
malfunction.
INACCURATE -
Continued
2. If vehicle S/N is not 11,438 to
99,999 go to test 4 of this
malfunction
3. Does speedometer
Check to see if speedometer
illuminate?
illuminates (WP 0018 00).
If speedometer does not
illuminate, perform Malfunction 17
(Instrument Panel Gage Does Not
Illuminate).
If speedometer illuminates, notify
Field Maintenance.
4. Does 24 VOLTS gage
1. Position master power switch
operate?
to on (WP 0004 00).
2. Check to see if 24 VOLTS gage
operates.
3. Position master power switch
to off (WP 0004 00).
4. If 24 VOLTS gage does not
operate, perform Malfunction
174 (24 VOLTS Gage, OIL
PRESS Gage, WATER TEMP
Gage, and Speedometer Do
Not Operate).
5. If 24 VOLTS gage operates,
notify Field Maintenance.
0080 00-29
