TM-5-4210-249-13-P-2

TACTICAL FIRE FIGHTING TRUCK (TFF) MODEL M1142

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL WITH REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT REPAIR PARTS AND SPECIAL TOOLS); PART 2 OF 4

TM-5-4210-249-13-P-2 - Page 425 of 1452

TM 5-4210-249-13&P-2

0157-3

DRAFT

0157

TFFT03825

Step 5.

Reinstall fuse FS 12 (WP 0401).

Disconnect cab instrument panel wire harness DECK

LIGHTS switch connector.

Turn battery disconnect switch to ON position (WP 0007).

Turn Service Drive Lights On (TM 9-2320-347-10).

Check for 22 to 28 VDC on wire

2340 at DECK LIGHT switch connector, terminal 6.

If 22 to 28 VDC are present, go to Step 7.

Step 6.

Turn battery disconnect switch to OFF position (WP 0007).

Disconnect cab instrument

panel wire harness cab power distribution wire harness connector.

With a test lead set,

check for continuity across cab instrument panel wire harness wire 2340 (red) from cab

instrument panel wire harness DECK LIGHTS switch connector, terminal 6 to cab

instrument panel wire harness cab power distribution wire harness connector,

terminal 14.

a.

If there is continuity, repair wire 2340 in cab power distribution wire

harness if repairable (TM 9-2320-325-14&P), or replace cab power

distribution wire harness and block (WP 0441).

b.

If there is no continuity, repair wire 2340 in cab instrument panel wire

harness if repairable (TM 9-2320-325-14&P), or replace cab instrument

panel wire harness (WP 0440).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION