Electrical equipment
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STATE
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Probable cause
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Elimination
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The crankshaft does not turn
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Low battery voltage.
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Charging or replacing the battery.
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The battery cable is loose, rusty or damaged.
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Repair or replace the battery cable.
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The starter is faulty or there is an open circuit in the starter circuit.
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Repair or replace starter/starter chain.
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The ignition switch is faulty or fuse EF5 or F12 is blown.
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Replace ignition switch or fuse Ef5 or Ef6.
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Short circuit to ground.
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Eliminate short circuit to ground.
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The crankshaft turns, but too slowly.
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Low battery voltage.
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Charging or replacing the battery.
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Battery.
Battery cables are loose, rusty or damaged.
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Repair or replace the battery cable.
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The starter is faulty.
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Repair or replace the starter.
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The starter does not stop.
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The starter is faulty.
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Repair or replace the starter.
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The ignition switch is faulty.
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Replace the ignition switch.
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The starter works, but the crankshaft does not turn.
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The clutch gear is broken or the starter is faulty.
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Replace the starter.
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Broken flywheel ring gear.
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Replace flywheel.
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There is a break in the connected circuit.
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Repair the break in the circuit.
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Battery overload.
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The ignition coil regulator is faulty.
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Replace the ignition coil regulator.
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Battery discharge
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The alternator drive belt is loose.
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Adjust the belt tension or replace it.
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Open or short circuit in the circuit.
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Eliminate the open or short circuit in the circuit.
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The ignition coil regulator is faulty.
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Replace the ignition coil regulator.
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The battery is discharged.
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Replace the battery.
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Break in the grounding circuit.
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Eliminate the break in the grounding circuit.
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The charging indicator does not work when the ignition is turned on (the engine is not working).
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The ignition coil regulator is faulty.
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Replace the ignition coil regulator.
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The charging indicator lamp or fuse F13 has burned out.
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Repair or replace the charge indicator lamp/fuse F13.
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The ignition switch is faulty.
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Replace the ignition switch.
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Open or short circuit in the generator ground circuit.
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Fix the fault in the circuit.
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After starting the engine, the charging indicator light does not go out.
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The ignition coil regulator is faulty.
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Replace the ignition coil regulator.
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The battery cable is rusty or damaged.
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Repair or replace the battery cable.
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The alternator drive belt is loose.
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Adjust the belt tension or replace it.
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Fault in the wiring harness.
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Repair the wiring harness.
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(Information taken from the official website CHEVYMAN)