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 146 of 1452

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

0131-26

DRAFT

0131

TFFT03644

Step 32.

Open any of three driver side stowage compartment doors (WP 0010).

Check for

continuity across cab power distribution wire harness wire 1164 (black) from cab power

distribution block relay 13, terminal 2 to a known good ground.

If there is continuity, replace relay 13 (WP 0402).

Step 33.

Remove diode block 1 from cab power distribution block (WP 0399).

Check for

continuity across wire 1164 (black) from cab power distribution block diode block 1,

terminal to relay 13, terminal 2.

a.

If there is continuity, replace diode block 1 (WP 0399).

b.

If there is no continuity, replace cab power distribution wire harness

and block (WP 0441).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION