ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
TEST OR INSPECTION
If leads (8 or 9) are cracked or broken, replace combination tail and stoplight plug and wire
assembly (page 2746). Assemble combination tail and stoplight (page 2-633).
10. BOTH COMBINATION TAIL AND STOPLIGHT TAILLIGHTS ON LOADER BACKHOES WITH SERIAL NUMBERS
319995 THRU 342573 DO NOT WORK
Check to see if taillight operation Is affected by light switch position (TM 5-2420-222-10).
If taillights work in H1 or H2 position, but not both, replace light switch (page 2-589).
If taillights do not work in H1 and H2, repair yellow wire In rear light wiring harness (page 2-
11. ONE COMBINATION TAIL AND STOPLIGHT STOPLIGHT DOES NOT WORK
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.
Pull brown wire terminal (10) out of connector (11). Using multimeter set to RX1 scale, place red
probe on brown wire terminal (10) and black probe on taillight (3). Check for 0 ohm on multimeter.