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 341 of 1452

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

0153-9

DRAFT

0153

TFFT02584

Step 9.

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

Turn Service Drive Lights

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

Remove skid plate grille (WP 0550).

Disconnect main wire

harness main 4 connector.

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

Put

EMERG MASTER and OVERHEAD WARNING switches to on position (WP 0004).

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

wire 1630 (green) at main 4 connector, terminal A and a known good ground.

a.

If 22 to 28 VDC are not present, repair wire 1630 in cab instrument

panel wire harness if repairable (TM 9-2320-325-14&P), or replace cab

instrument panel wire harness (WP 0440).

b.

If 22 to 28 VDC are present, repair wire 1630 in main wire harness if

repairable (TM 9-2320-325-14&P), or replace main wire

harness (WP 0455).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION