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If it is your voltmeter that drops while the vehicle is running. Most likely the alternator isn't putting out enough volts.
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∙ 12y ago
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What would cause the battery gauge in a vehicle to move when you use your power mirrors?
The battery gauge in a vehicle will move when you use your power mirrors as your causing a small drain on the battery & lowering the voltage slightly. The effect is normally only really visible when the engine is not running.
Why would my 1993 Plymouth duster stop running while on the expressway and then would not turnover with a new battery?
bad alternator
What is a gen?
That would be short for "generator" light. If that light is on while the engine is running, the charging system is not working and you are running off of battery power only.
What would cause a battery light to come on in a car while it is still running?
Alternator is no longer working properly.
What is a gen light?
That would be short for "generator" light. If that light is on while the engine is running, the charging system is not working and you are running off of battery power only.
If you had a battery running a fan and a magnet and copper coil mechanism attached to the fan generating electricity and running back to the battery Would it not run longer?
battery
Is the wire gauge smaller from the battery to the fuse box and larger to the air coditioner?
Yes, the wire gauge numbers are smaller. A typical automotive battery cable would be 4 gauge, the wires after the fuse box would be 10, 12, 14, 16, 18 and 20 gauge depending on the accessory.
Why the battery on a Harley Sportster would not stay charged?
It could be a bad battery or regulator. To check the regulator to see if it putting out the correct voltage check the battery voltage while the bike is running. It should be around 14 volts.
Would a bad alternator cause a car to die while driving?
If the alternator fails, it is no longer keeping the battery charged and your engine is running on nothing but battery power. Once the battery runs down, your engine will no longer run.
Why would the battery light be on after replacing the alternator belt?
Check the battery direct with a volt meter, while running. Should have around 14 volts. Less than 13, then might have to replace the alt.
Why would a 2004 envoy battery drains while driving?
Alternator is defective or the battery has a dead cell and will not take a charge. Check the voltage at the battery with the engine running. You should have between 13.5-16 volts. Anything less and your alternator is bad.
Why would your car just die while running?
Its battery could die and the engine would stop running. Or a cable plug could have been unplugged and the car would stop, the only real reason it would do this is that the car would hit a large bump or halt at a sudden stop.
