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 340 of 1452

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

0153-8

DRAFT

0153

TFFT02586

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 8.

Connect cab instrument panel wire harness OVERHEAD WARNING switch connector.

Disconnect main wire harness crew cab wire harness connector.

Turn battery

disconnect switch to ON position (WP 0007).

Turn Service Drive Lights On

(TM 9-2320-347-10).

Put EMERG MASTER and OVERHEAD WARNING switches to

on position (WP 0004).

Check for 22 to 28 VDC between main wire harness wire 1630

(green) at crew cab harness connector, terminal J and a known good ground.

If 22 to 28 VDC are present, go to Step 10.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION