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

28. HIGH BEAM

1. Check to see if LAMP

1. If LAMP TEST switch does not

INDICATOR DOES

TEST switch

illuminate HIGH BEAM

NOT ILLUMINATE

illuminates HIGH

indicator, go to test 2 of this

BEAM indicator (WP

malfunction.

0016 00).

2. If LAMP TEST switch

illuminates HIGH BEAM

indicator, go to test 3 of this

malfunction.

2. 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).

3. Check to see if

1. If headlight high beams do

headlight high beams

not illuminate, perform

illuminate (WP 0007

Malfunction 51 (One or Both

00).

Headlight High Beams Do Not

Illuminate).

2. If headlight high beams

illuminate, notify Field

Maintenance.

29. PARK BRAKE

1. Check to see if LAMP

1. If LAMP TEST switch does not

INDICATOR DOES

TEST switch

illuminate PARK BRAKE

NOT ILLUMINATE

illuminates PARK

indicator, go to test 2 of this

BRAKE indicator (WP

malfunction.

0016 00).

2. If LAMP TEST switch

illuminates PARK BRAKE

indicator, notify Field

Maintenance.

0069 00-41