TM-9-2320-440-13-P

TERMINAL HIGH ALTITUDE AREA DEFENSE (THAAD) CARRIER

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)

AUGUST 2010

TM-9-2320-440-13-P - Page 241 of 1616

TM 9-2320-440-13&P

0026-3

0026

WORK LIGHT(S) DO NOT OPERATE (CONTINUED)

THAAD0043

WARNING

Remove rings, wristwatches, neck chains, and any other jewelry before working

around vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry

and tools may short across electrical circuits and cause damage to equipment or

severe burns or electrical shocks to personnel.

Step 3.

Disconnect chassis harness connector from non-operating work lamp.

Check for

continuity across wire 1040A from work lamp switch connector, terminal B to work lamp

connector, terminal 1.

If there is no continuity, repair chassis harness wire 1040A

(TM 9-2320-325-14&P) or notify Supervisor.

Step 4.

Check for continuity across chassis harness wire 1435 from work lamp connector,

terminal 2 to a known good ground.

If there is no continuity, repair chassis harness wire 1435

(TM 9-2320-325-14&P) or notify Supervisor.

Step 5.

Connect chassis harness work lamp switch connector. Turn work lights and work lamp

switch ON (WP 0005). Check for 22 to 28 vdc between chassis harness work lamp

connector, terminals 1 (wire 1040A) and 2 (wire 1435).

a.

If 22 to 28 vdc are present, replace non-operating work lamp (WP 0058).

b.

If 22 to 28 vdc are not present, replace work light switch (WP 0090).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION