TM-9-2320-283-20-1

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3

DECEMBER 1983

TM-9-2320-283-20-1 - Page 294 of 926

TM 9-2320-283-20-1

TROUBLESHOOTING.

2-11.

TROUBLESHOOTING PROCEDURES (Continued).

MALFUNCTION

INSTRUCTION

INDICATION

YES

NO

54.

ONE REAR TURN SIGNAL LAMP NOT WORKING (Continued).

6.

Remove lens at tail-

lamp assembly (para

3-96), and go to step

7.

7.

Check for voltage at

12-volts dc

Replace bulb

Repair circuits

circuit 36F-DG (top

nominal.

(para 3-96)

36F-DG and/or

terminal inside

and/or clean

36D-DG (para

taillamp assembly).

socket connec-

3-127).

tion.

55.

BOTH REAR TURN SIGNAL LAMPS NOT WORKING.

Check turn signal switch circuit.

(Refer to malfunction 53)

TA 236893

2-169