TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994
TM-9-2350-311-20-1

  TM-9-2350-311-20-1 - Page 108 of 1275

3-2 WICK GUIDE TO TROUBLESHOOTING — CONTINUED
ITEM
SYMPTOM
PRIMARY
ALTERNATE
GAGES —
CONTINUED
DOME LIGHTS
SERVICE
HEADLIGHTS,
TAILLIGHTS,
AND
STOP LIGHTS
B.O.
MARKERS AND
6.0.
DRIVE LIGHTS
FUEL LEVEL INDICATOR (GAGE)
SHOWS LEVEL FOR UPPER FUEL
TANK, BUT NOT FOR LOWER FUEL
TANK
FUEL LEVEL INDICATOR (GAGE)
SHOWS LEVEL FOR LOWER FUEL
TANK, BUT NOT FOR UPPER FUEL
TANK
DOME LIGHT FAILS TO OPERATE;
ALL OTHER LIGHTS OPERATE
HEADLIGHTS FAIL TO OPERATE;
ALL OTHER LIGHTS OPERATE
HEADLIGHTS OPERATE ON ONE
BEAM ONLY
RIGHT OR LEFT HEADLIGHT FAILS
TO OPERATE; ALL OTHER LIGHTS
OPERATE
TAILLIGHT FAILS TO OPERATE;
ALL OTHER LIGHTS OPERATE
STOP LIGHT FAILS TO OPERATE;
ALL OTHER LIGHTS OPERATE
FRONT B.O. MARKER LIGHTS
FAIL TO OPERATE; ALL OTHER
LIGHTS OPERATE
REAR B.O. MARKER LIGHTS
FAIL TO OPERATE; ALL OTHER
LIGHTS OPERATE
B.O. DRIVE LIGHT FAILS TO
OPERATE; ALL OTHER
LIGHTS OPERATE
ALL B.O. MARKER LIGHTS FAIL
TO OPERATE; ALL OTHER LIGHTS
Para 3-3s(2)
None
Para 3-3s(3)
Para 3-3t
Para 3-3u(1)
Para 3-3u(2)
Para 3-3u(3)
Para 3-3u(4)
Para 3-3u(5)
Para 3-3v(1)
Para 3-3v(2)
Para 3-3v(3)
Para 3-3v(4)
None
None
None
None
None
None
None
None
None
None
None
OPERATE
3-8
TM 9-2350-311-20-1


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