TM-5-4210-249-13-P-1

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 1 OF 4

TM-5-4210-249-13-P-1 - Page 738 of 1188

TM 5-4210-249-13&P-1

0104-30

DRAFT

0104

TFFT02864

Step 42.

Disconnect bumper turret wire harness junction box connector.

Check for continuity

across bumper turret junction box ground wire (black) from bumper turret junction box

connector, terminal 3 to bumper turret junction box 5-pin terminal strip.

If there is no continuity, repair bumper turret junction box ground wire in

bumper turret junction box wire harness if repairable

(TM 9-2320-325-14&P), or replace bumper turret junction box wire

harness (WP 0573).

TFFT02865

Step 43.

Remove cab instrument panel E (WP 0311).

Disconnect bumper turret wire harness

bumper turret control connector.

With a test lead set, check for continuity across

bumper turret wire harness ground wire (black) from bumper turret wire harness

bumper turret control connector, terminals 5, 10, and 15 to bumper turret wire harness

bumper turret junction box connector, terminal 3.

a.

If there is continuity, replace bumper turret control (WP 0570).

b.

If there is no continuity, repair bumper turret wire harness ground wire

in bumper turret wire harness if repairable (TM 9-2320-325-14&P), or

replace bumper turret wire harness (WP 0437).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION