TM-9-2320-279-20-1

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3

TM-9-2320-279-20-1 - Page 206 of 985

TM

9-2320-279-20-l

Troubleshooting Malfunctions (Cont)

2-15. TROUBLESHOOTING

INSTRUCTIONS (CONT).

Table

2-9.

Troubleshooting

(Cont)

Malfunction

Test or Inspection

Corrective Action

ELECTRICAL SYSTEM (CONT)

5.

ONE OR MORE LIGHTS NOT WORKING (WARNING OR SERVICE LIGHTS).

Step 1.

Make visual check for burned out light bulb.

Replace light bulb.

Step 2.

Check socket and/or contacts for corrosion.

Clean socket and/or contacts.

Step 3.

Check for proper ground.

Clean ground connection.

2-120

Change 3