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 337 of 1452

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

0153-5

DRAFT

0153

TFFT02588

Step 5.

Install fuse FS 7 (WP 0401).

Remove cab instrument panel C (WP 0311).

Disconnect

cab instrument panel wire harness OVERHEAD WARNING switch connector.

Turn

battery disconnect switch to ON position (WP 0007).

Turn Service Drive Lights On

(TM 9-2320-347-10).

Put EMERG MASTER switch to on position (WP 0004).

Check

for 22 to 28 VDC between cab instrument panel wire harness wire 1629 (green) at

OVERHEAD WARNING switch connector, terminal 6 and a known good ground.

If 22 to 28 VDC are present, go to Step 7.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION