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 15. Using multimeter, set to 20 vdc scale. Connect red test lead to wire terminal (1)
on wire connector (2) and black test lead to ground. Pull emergency flasher
switch handle (3) out to on position. Check for 11 to 13 vdc on multimeter. Push
turn signal switch handle (4) towards left turn position to release emergency
flasher switch handle (3). Push turn signal switch handle (4) to off position.
Disconnect test leads. ¾_
a. If multimeter does not read 11 to 13 vdc, go to step 16.
b. If multimeter reads 11 to 13 vdc, 57 wire (5) must be replaced. Notify
Direct Support Maintenance.
Step 16. Test turn signal switch (6) as follows: Pull apart wire connectors (2 and 7).
Using multimeter, set to ohms scale and adjust to 0 ohms. Connect red test lead
to wire terminal (8). Pull emergency flasher switch handle (3) out to on position.
Check for 0 ohms on multimeter. Push turn signal switch handle (4) towards left
turn position to release emergency flasher switch handle (3). Push turn signal
switch handle (4) to off position. Disconnect test leads.
2-270
