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 - Page 226 of 1275

TM 9-2350-311-20-1
3-3 TROUBLESHOOTING CHART — CONTINUED
i.
GLOW PLUGS CIRCUIT (ENGINE MODEL 7083-
(1) GLOW PLUG WAIT LIGHT FAILS TO OPERATE;
7391 ) — CONTINUED
GLOW PLUG SYSTEM OPERATES USING MANUAL
OVERRIDE — CONTINUED
Repair or replace lead 486 of engine disconnect-
to-bulkhead wiring harness (para 8-45, M109A2/
M109A3; para 8-46, M109A4/M109A5).
Repair or replace lead 486 of
bulkhead-to-portable instrument
wiring harness (para 8-49).
3-126
Replace glow plug wait
light lead (para 8-77).


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