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TM 9-2320-391-10
ELECTRICAL SYSTEM TROUBLESHOOTING - Continued 0069 00
ELECTRICAL SYSTEM Continued
Table 5. Electrical System Troubleshooting Procedures Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
144. LAMP TEST
5. Release brake pedal.
SWITCH DOES
6. Position main light switch to
NOT OPERATE
OFF (WP 0004 00).
(VEHICLE S/N
100,001 TO
7. Position master power switch
199,999) -
to off (WP 0004 00).
Continued
8. If stoplights do not illuminate,
perform Malfunction 139
(Stoplights and 12 VDC
Indicator Panel Circuits Do
Not Operate).
9. If stoplights illuminate, notify
Field Maintenance.
145. Lighted Indicator
1. Do any electrical
1. Position master power switch
Display Icons
gages operate?
to on (WP 0004 00).
Illuminate in
Chase Pattern
(VEHICLE S/N
100,001 TO
199,999)
2. Check to see if any electrical
gages operate.
3. Position master power switch
to off (WP 0004 00).
4. If no electrical gages operate,
perform Malfunction 134 (All
Electrical Gages Do Not
Operate).
5. If electrical gages operate,
notify Field Maintenance.
0069 00-146
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