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

146. Two-Way Troop

1. Have Preventative

1. If PMCS Before checks have

Intercom Does Not

Maintenance Checks

not been performed, perform

Operate (VEHICLE

and Services (PMCS)

M1078 A1 Series Preventative

S/N 100,001 TO

Before checks been

Maintenance Checks and

199,999)

performed?

Services (PMCS) (WP 0087

00) Before checks.

2. If PMCS Before checks have

been performed, go to test 2

of this malfunction.

2. Is either cab or cargo

1. Position Manual Battery

two-way troop

Disconnect Switch (MBDS) to

intercom LED

connect (ON) (WP 0011 00).

illuminated red or

green?

2. Check cab and cargo two-way

intercom LEDs.

3. If either cab or cargo LED is

illuminated, notify Field

Maintenance.

4. If neither cab nor cargo LED

is illuminated, go to test 3 of

this malfunction.

WARNING

Remove rings, bracelets, wristwatches, neck chains, and any

other jewelry before working around vehicle. Jewelry may catch

on equipment or may short across an electrical circuit or battery

terminal. Failure to comply may result in serious injury or death to

personnel.

3. Is circuit breaker

1. Remove PDP cover (WP 0095

CB42 tripped?

00).

0069 00-147