TM-9-2350-261-20-1

CARRIER, M113A2, M577A2, M1064, M1068, M1059 AND M901A1

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL - VOLUME 1 OF 4

TM-9-2350-261-20-1 - Page 214 of 346

TM 9-2350-261-20-1

BLACKOUT DRIVE LIGHT DOES NOT WORK

0030 00

INITIAL SETUP:

Maintenance Level

Unit

Tools and Special Tools

Digital Multimeter (WP 0780 00, Item 43)

General Mechanic’s Tool Kit (WP 0780 00, Item 29)

Personnel Required

Unit Mechanic

Helper (H)

References

See your -10

Equipment Condition

Engine stopped/shutdown (see your -10)

Carrier blocked (see your -10)

IR/BO selector on BO (see your -10)

T

1.

Operate exterior lights in all positions (see your -10).

2.

Do any exterior lights operate in any lighting control switch

positions?

TN

1.

Go to No Exterior Lights Operate

(WP 0029 00).

Y

1.

Remove front main harness plug (1) from BO DRIVE

light jack (2).

2.

Measure resistance between BO DRIVE light jack (2) and ground.

3.

Does multimeter read less than infinity?

YN

1.

Install front main harness plug

on BO DRIVE light.

2.

Replace BO DRIVE lamp unit

(WP 0259 00).

3.

Verify no faults found.

2Y

1.

Check multimeter reading.

2.

Does multimeter read more than 0 ohms?

2YN

1.

Replace BO DRIVE light assembly

(WP 0260 00).

2.

Verify no faults found.

003000-1