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 577 of 1452

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

0168-15

DRAFT

0168

TFFT04291

WARNING

ICON 3

Remove rings, wristwatches, neck chains, and any other jewelry before working

around vehicle.

Jewelry can catch on equipment and cause serious injury.

Jewelry

and tools may short across electrical circuits and cause damage to equipment, or

severe burns or electrical shock to personnel.

Step 26.

Turn Off Clearance Lights (TM 9-2320-347-10).

Turn Service Drive Lights

Off (TM 9-2320-347-10).

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

Disconnect cab instrument panel wire harness cab power distribution wire harness

connector.

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

Turn Service

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

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

With a test lead set, check for 22 to 28 VDC between cab instrument panel wire harness

wire H012 (white) at cab power distribution wire harness connector, terminal 16 and a

known good ground.

a.

If 22 to 28 VDC are present, repair wire H012 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 22 to 28 VDC are not present, repair wire H012 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