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No, most alternators with charge in either direction,, external fan type alternators may not cool as well when run in reverse, but you can find a bi-rotational fan.

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15y ago

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Will an alternator charge running backwards?

No, an alternator will not charge effectively if it is running backwards. Alternators are designed to generate electricity in a specific direction, and reversing the rotation can disrupt the magnetic fields and prevent proper output. Additionally, running an alternator backwards can potentially cause mechanical damage to the unit.


Will an anti aging vitamin help reverse damage to my body?

An anti aging vitamin will not help reverse damage to the human body. Nothing can reverse the damage you have done.


What should the output of an automobile alternator be?

Alternator Output Voltage RangeGenerally, an automotive alternator is considered to be "good" if the output voltage is in the range between 12 1/2 volts and a maximum of 16 volts.Anything below 12 1/2 volts probably will not adequately charge the battery, and voltages above 16 volts can "cook" the water out of the electrolyte, and cause damage to the battery.


Can a battery with to many cold cranking amps burn up an alternator in a 2001 vw bug?

"Big" Battery Damage Alternator?No, it should not damage the alternator. If this has happened it's probable that the problem is somewhere in the wiring circuit connected to the battery and alternator.


Will charging a car battery in situ damage the alternator?

No


What damage can result from connecting the battery cables to the wrong terminal battery post?

The battery will be Damaged. Possible damage to the Started Relay. Also check the alternator, more specifically the voltage regulator circuit which is built into the alternator. The battery will be Damaged. Possible damage to the Started Relay. Also check the alternator, more specifically the voltage regulator circuit which is built into the alternator.


If alternator is hooked up in reverse polarity what happens?

"If you connected the battery in reverse that will certainly fry the alternator and cause damage to any other polarity sensitive components as well. The alternator is NOT suposed to spark, it charges by by generating alternating current which is converted to direct current through a diode pack known as the rectifier, and the voltage is regulated by some more electronic wizardry called (amazingly enough) a regulator. Normally when alternators go wrong the charging warning light will glow, and you will get the wrong readings from your voltmeter (if your car has one)."


How do you charge a battery still in the car without damaging the alternator?

As long as the ignition switch is off, it will not damage the alternator.


Will covering an alternator with aluminum foil damage it?

Yes, it will overheat.


What kind of damage can you do to your engine in reverse?

I'm confused, do you mean when you are going in reverse or turning the engine over in reverse direction?


Is it common to have to replace both the battery and the alternator together?

It's not at all uncommon. A failing alternator can easily damage a battery.


Can running a new alternator on a half charged battery cause damage to either the battery new alternator voltage regulator etc?

Not likely, but running the engine with a dead battery can damage some alternators. Always fully charge the battery when installing an alternator.