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 116 of 1452

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

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DRAFT

0130

TFFT02980

Step 63.

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

Install a jumperwire

between diode block terminals wire 1592 (gray) and wire 1165 (gray).

With rear

compartment doors open, check for continuity between wire 1592 (gray) cab instrument

panel wire harness connector, terminal 11 and a known good ground.

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

Step 64.

With a test lead set, check for continuity across cab power distribution wire harness

wire 1592 (gray) between cab instrument panel wire harness cab power distribution

wire harness connector, terminal 11 and diode block connector terminal.

If there is no continuity, repair wire 1592 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).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION