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

40. EXHAUST BRAKE

6. Position WARMUP/

INDICATOR DOES

OFF/RETARD switch to OFF

NOT ILLUMINATE -

Continued

7. Position master power switch

8. If exhaust brake does not

operate, perform Malfunction

109 (Exhaust Brake Does Not

Operate).

9. If exhaust brake operates, go

to test 2 of this malfunction.

2. Check to see if LAMP

1. If LAMP TEST switch does not

TEST switch

illuminate EXHAUST BRAKE

illuminates EXHAUST

indicator, go to test 3 of this

BRAKE indicator (WP

malfunction.

2. If LAMP TEST switch

illuminates EXHAUST BRAKE

indicator, notify Field

Maintenance.

3. Is vehicle S/N 11,438

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

to 99,999?

99,999 perform Malfunction

45 (Lamp Test 24 VDC Does

Not Operate).

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

99,999 perform Malfunction

144 (Lamp Test Switch Does

Not Operate).

0069 00-50