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

78. TRAILER

4. Check circuit breaker to see if

BLACKOUT

it is tripped again. If circuit

STOPLIGHTS DO

breaker is tripped or trips

NOT ILLUMINATE -

again, Notify Field

Continued

Maintenance.

5. Position master power switch

to off (WP 0004 00).

6. Install PDP cover (WP 0095

00).

3. Check to see if trailer

If trailer blackout stoplights

blackout stoplights

do not illuminate, notify Field

illuminate (WP 0016

Maintenance.

00).

79. INTERVEHICULAR

1. Check to see if

If towing vehicle clearance

CLEARANCE

towing vehicle

lights do not illuminate,

LIGHTS DO NOT

clearance lights

perform Malfunction 56 (Side

ILLUMINATE

illuminate (WP 0016

And/Or Rear Marker Lights Do

00).

Not Illuminate).

2. Check to see if

If intervehicular clearance

intervehicular

lights do not illuminate, notify

clearance lights

Field Maintenance.

illuminate (WP 0016

00).

80. INTERVEHICULAR

1. Check to see if

If towing vehicle left turn

LEFT TURN SIGNAL

towing vehicle left

signal does not illuminate,

DOES NOT

turn signal

perform Malfunction 68 (Front

ILLUMINATE

illuminates (WP 0007

And Rear Turn Signals Do Not

00).

Illuminate).

2. Check to see if

If intervehicular left turn

intervehicular left

signal does not illuminate,

turn signal

notify Field Maintenance.

illuminates (WP 0007

00).

0069 00-82