TM 5-3805-281-24-1
Sub-System Diagnostics
ENGINE OIL LEVEL
Disconnect harness from engine oil level switch.
YES: Engine oil level
SWITCH (B7) CHECK
switch has failed.
Connect a jumper wire from harness connector to
Replace.
ground.
NO: Check wiring
Turn key switch ON.
harness.
Push fluid level check switch.
T7470AH
UN11MAR91
Does engine oil level indicator come ON?
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