TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 12.
Disconnect batteries (page 2-424). Remove headlight switch (7) (page 2-725). Connect batteries (page
2-424). Set multimeter to ohms scale and adjust to 0 ohms. Connect black test lead to ground and red
test lead to wire terminal (8) on 68 wire (9). Check for 11 to 13 vdc on multimeter. Move red test lead to
wire terminal (10) on 50 wire (11). Check for 11 to 13 vdc on multimeter. Move red test lead to wire
terminal (12) on 58 wire (13). Check for 11 to 13 vdc on multimeter. Disconnect test leads.
a.
If multimeter reads no continuity on either wire terminals (8, 10, or 12), 68 wire
(9), 50 wire (11), or 58 wire (13) must be replaced. Notify Direct Support
Maintenance.
b.
If multimeter reads 0 ohms on all three terminals (8, 11, and 12), go to step 13.
2-139
