TM-5-3805-254-20-1

TRUCK, DUMP, 20 TON, 6X4, ON-OFF HIGHWAY 71,000 GVW, IHC MODEL F-5070 (CCE)

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE MANUAL VOLUME 1 OF 2

JANUARY 1988

TM-5-3805-254-20-1 - Page 209 of 790

TM 5-3805-254-20-1

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

20. ALL LIGHTS DO NOT WORK - CONTINUED.

Step 13. Set multimeter to ohms scale and adjust to 0 ohms.

Position headlight switch (1) with slot (2) facing 12

o’clock.

Push switch handle (3) down to 6 o’clock position.

Connect red test lead to terminal (4) and black

test lead to terminal (5).

Check for 0 ohms on multimeter.

Move red test lead to terminal (6) and black

test lead to terminal (7).

Check for 0 ohms on multimeter.

Move red test lead to terminal (8) and black

test lead to terminal (9).

Check for 0 ohms on multimeter.

Disconnect test leads.

If multimeter reads no continuity on either terminals (5, 7, or 9), replace headlight switch (1) (page 2-

725).

TA243802

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