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

39. CHECK ENGINE

1. Check to see if LAMP

1. If LAMP TEST switch does not

INDICATOR DOES

TEST switch

illuminate CHECK ENGINE

NOT ILLUMINATE

illuminates CHECK

indicator, go to test 2 of this

ENGINE indicator (WP

malfunction.

0016 00).

2. If LAMP TEST switch

illuminates CHECK ENGINE

indicator, notify Field

Maintenance.

2. Is vehicle S/N 11,438

1. If vehicle S/N is 11,438 to

to 99,999?

99,999 perform Malfunction

46 (Lamp Test Ground Does

Not Operate).

2. If vehicle S/N is not 11,438 to

99,999 perform Malfunction

144 (Lamp Test Switch Does

Not Operate).

40. EXHAUST BRAKE

1. Does exhaust brake

1. Position master power switch

INDICATOR DOES

operate?

to on (WP 0004 00).

NOT ILLUMINATE

2. Position WARMUP/

OFF/RETARD switch to

WARMUP (WP 0004 00).

3. Start engine (WP 0016 00).

4. Check to hear if exhaust

brake operates.

5. Shut down engine (WP 0016

00).

0069 00-49