Table 5. Electrical System Troubleshooting Procedures - continued

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

1. Does engine crank?

1. Attempt to start engine (WP

SWITCH DOES

0016 00).

NOT OPERATE

(VEHICLE S/N

100,001 TO

199,999)

2. If engine does not crank,

perform Malfunction 1

(Engine Does Not Crank).

3. If engine cranks, go to test 2

of this malfunction.

2. Do lighted indicator

1. Wait until vehicle has been

display icons

running for 45 seconds and

illuminate in chase

check lighted indicator display

pattern?

for icons illuminating in chase

pattern.

2. Shut down engine (WP 0016

00).

3. If lighted indicator display

icons illuminate in chase

pattern, perform Malfunction

145 (Lighted Indicator Display

Icons Illuminate in Chase

Pattern).

4. If lighted indicator display

icons do not illuminate in

chase pattern, go to test 3 of

this malfunction.

3. Do stoplights

1. Position master power switch

illuminate?

to on (WP 0004 00).

2. Position main light switch to

STOPLIGHT (WP 0004 00).

3. Depress brake pedal.

4. Check to see if stoplights

illuminate.

0069 00-145