TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
40. ONE FRONT EMERGENCY FLASHER DOES NOT WORK - CONTINUED.
WARNING
Although KEY SWITCH must be on and battery ground cable connected to test electrical circuit
voltage, turn off KEY 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.
NOTE
Scrape painted surfaces to bare metal before connecting test leads to ensure correct multimeter
readings.
Step 10. Using multimeter, set to ohms scale and adjust to 0 ohms. Connect red test lead
to terminal stud (1) on junction box (2) and black test lead to ground. Check for
0 ohms on multimeter. Disconnect test leads.
a. If multimeter reads no continuity, using 7/16-inch open-end
wrench, loosen nut (3). Using two 7/16-inch open-end wrenches,
tighten screw (4) and nut (5). Using 7/16-inch open-end wrench,
tighten nut (3). Perform step 10 again to ensure continuity.
b. If multimeter reads 0 ohms, go to step 11.
Step 11. Using multimeter, set to ohms scale and adjust to O ohms. Connect red test lead
to wire terminal (6) on wire connector (7) and black test lead to terminal stud (1)
on junction box (2). Check for O ohms on multimeter. Disconnect test leads. Go
to step 12.
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