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 295 of 1452

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

0150-9

DRAFT

0150

TFFT03937

Step 12.

Disconnect main wire harness main 3 connector. With a test lead set, check for

continuity across wire 1052 (brown) from main wire harness main 3 connector, terminal

1 to main wire harness siren speaker connector, terminal B.

a.

If there is continuity, repair wire 1052 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 1052 in main wire harness if

repairable (TM 9-2320-325-14&P), or replace main wire

harness (WP 0455).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION