TM-9-2350-277-20-1

CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 1 OF 6

TM-9-2350-277-20-1 - Page 291 of 855

TM 9-2350-277-20-1

HIGH BEAM INDICATOR LIGHT DOESN’T WORK—Continued

0050 00

2Y

1.

Check continuity between light assembly (1) bulb base contact

and ground.

2.

Is there continuity?

YES

NO

2YN

1.

Replace headlight high beam

indicator bulb (WP 0287 00).

2.

Verify no faults found.

3Y

1.

Remove two screws (1), washers (2), and dimmer switch (3).

2.

Remove harness 12349881 plug (4) from dimmer switch jack (5).

3.

Measure resistance between dimmer switch jack (5) pins D (6)

and B (7) and between pins F (8) and H (9).

4.

Did multimeter read 0 ohms for both measurements?

YES

NO

3YN

1.

Replace dimmer switch

(WP 0333 00).

2.

Verify no faults found.

0050 00-2