ALL LIGHTS EXCEPT STOPLIGHTS DO NOT WORK

TM 5-2420-222-20-1

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

13. ALL FRONT LIGHTS, COMBINATION TAIL AND FLOODLIGHTS (AND COMBINATION TAIL AND STOPLIGHT

TAILLIGHTS ON LOADER BACKHOE WITH SERIAL NUMBERS 319995 THRU 342573) DO NOT WORK

WARNING

Although ignition lock switch must be on and battery ground cable connected to test electrical circuit

voltage, turn off ignition lock switch and disconnect battery ground cable before doing resistance tests or

replacing parts. This will keep you from getting shocked and prevent damage to parts and equipment.

Turn ignition lock switch (1) counterclockwise to accessory. Using multimeter set to 30 vdc

scale, place red probe on light switch "B" terminal (2) and black probe to cowl support (3).

Check for 11 to 13 vdc on multimeter. Turn ignition lock switch (1) clockwise to off.

If multimeter reads 11 to 13 vdc, replace light switch (page 2-589).

If multimeter reads less than 11 vdc, repair purple wire between light switch "B" terminal

(2) and wiring harness connector (4).

14. ALL LIGHTS EXCEPT STOPLIGHTS DO NOT WORK

WARNING

Although ignition lock switch must be on and battery ground cable connected to test electrical circuit

voltage, turn off ignition lock switch and disconnect battery ground cable before doing resistance tests or

replacing parts. This will keep you from getting shocked and prevent damage to parts and equipment.

Step 1.

Turn ignition lock switch (1) counterclockwise to accessory. Using multimeter set to 30 vdc, place red

probe on circuit breaker terminal (5) and black probe to cowl support (3). Check for 11 to 13 vdc on

multimeter. Turn ignition lock switch (1) clockwise to off.

If multimeter reads 11 to 13 vdc, repair brown wire between circuit breaker terminal (5) and

wiring harness connector (4) (page 2-137).

If multimeter reads less than 11 vdc, go to step 2.

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