TM-9-2350-238-20-1
HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1994
TM-9-2350-238-20-1 - Page 75 of 1364
TM 9-2350-238-20-1
Table 2-3. UNIT TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
MASTER IND light is off. Electrical circuits are not operating.
Troubleshoot master switch circuit. Refer to Electrical Circuit Symptom Index,
page 2-92.
Step
3.
MASTER IND light is on. Electrical circuits are not operating.
NOTE
Screws holding master relay on bulkhead also ground
relay.
a.
b.
Check master relay ground for bad connections.
Clean ground connections with crocus cloth (item
ground connections.
Troubleshoot master relay circuit.
Index, page 2-92.
Step 4.
MASTER IND light is on. Vehicle lights
not operating.
10, appx C). Tighten
Refer to Electrical Circuit Symptom
are not operating and instruments are
Troubleshoot instrument switch circuit. Refer to Electrical Circuit Symptom
Index, page 2-92.
Step 5.
Vehicle lights are operating.
a.
Check neutral position switch on transmission for proper adjustment.
Adjust switch if required. Refer to page 2-562.
b.
Check starter lead for bad connections.
Tighten connections.
c.
Troubleshoot starter circuits. Refer to Electrical Circuit Symptom Index,
page 2-92.
2-49
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