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The voltage regulator has the job of making the voltage 'constant'. In most modern vehicles the regulator is located in the alternator, in older models the regulator is located separate. If your voltage is jumping around a lot then you either have a problem with the battery (batteries stabilize the voltage also)or the charging system (and probably the voltage regulator)

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Q: How can you constant the volt of alternator?
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Related questions

Why does your car fail to produce 12 volt constant?

Your car should produce about 14.4 volts from the alternator when the engine is running. If it does not produce anything over 12 volts, your alternator is not charging and you need to get it repaired or replaced.


You put new alternator and volt regulator in 1987 f600 370 engine and volt meter says 12.8 with engine off and on?

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How do i test a 24 volt alternator?

with a voltmeter


How do you get a 12 volt pm alternator to give you 110 volt ac?

Purchase a power inverter.


What is the procedure for checking alternator output current?

Use a digital volt meter set to the 20 volt DC scale. A good alternator will output 13.5 to 15.5 volts.


Can you charge a 12 volt battery with a 14 volt alternator?

Yes. It is done all the time in automotive electrical systems. The alternator, which creates AC, has its current rectified using diodes.


110 volt ac car alternator?

I hope not, it'll cook the 12 volt DC system.


How do you test an alternator with a volt tester?

Check the voltage with a volt meter at the battery with the engine running at idle. You should read 13.5 to 15.5 volts. Any less and the alternator is not charging properly.


How much volt battery can be charged by an alternator?

If we are talking about cars only: the system that charges the 500 volt battery in a Hybrid is a Alternator. So in theory there is no limit. Most cars are "12 volt" (common usage, incorrect) systems.


How much volt alternator should produce?

13.5-14.4


I have the alternator just missing the wiring connection sheet how do you connect an alternator from a generator on a 12 volt system?

You wouldn't. Terminology wrong? An alternator is a generator that generates AC.


What Voltage is expected for a 1998 dodge ram?

== == It is a 12 volt system. The alternator should put out 13.5 to 14.5 volts with the engine running.== == It is a 12 volt system. The alternator should put out 13.5 to 14.5 volts with the engine running.


How do you connect a volt meter to a car?

It depends on what you want to monitor. Most commonly the volt meter is connected in parallel with the battery or the alternator.


Can the wrong size car battery damage the alternator?

No, not unless you installed a 6 volt battery instead of a 12 volt battery.


Why alternator are rated in kva?

kva- kilo volt amphere. not only alternator but every electrical device output capacity is measured in kva.


Why would the battery in a VW Jetta not be getting any charge if it has been replaced but you still have the same problem?

You need to check if the ALTERNATOR is giving the correct output so as to charge the battery. By having a volt meter across the batery terminals one can then rev the engine and the voltage accross the battery should be about 13.8 volt indicating that the Alternator is charging the battery. If this 12 volt bateery voltage does not increase, this indicates a charging problem (mostly with the alternator either the brushes or one of the diodes in the alternator).


Can you connect a 12 volt auto alternator to a 24 volt system to charge the batteries?

If you connect an alternator that has been designed for charging a 12 volt battery to any 24 volt system in an attempt to charge its batteries, that alternator will not work because of either of two different reasons:if the 24 volt battery is completely dead or flat the 12 volt alternator will not be able to charge it to much above 18 volts. That is about as much practical use as having a flat 24 volt battery!if the 24 volt battery is not "flat" but has a voltage that is in its normal range - between about 23 volts and 27 volts - the 12 volt alternator would not do anything because its output voltage cannot go high enough.Some more facts:12 volt systemsAn alternator designed to charge a nominal 24 volt battery will have a voltage and current regulation system to control its output voltage between about 13.5 and 18 volts and an output current that could vary between zero and about 40 or 50 amps.The overall range of current amperage output from the alternator would vary from vehicle to vehicle depending on the sizes of the alternator and battery and those in turn would be sized to match the likely normal current amperages drawn by the vehicle's ignition, night-time road lighting, air conditioning and other systems.The actual charging voltage and current being output from the alternator at any instant depends on the "state of charge" of the 12 volt car battery. A nominal 12 volt lead-acid type car battery that is flat has a voltage of about 11.5 volts or less. One that is fully charged would have a voltage of about 13.5 volts.24 volt systemsAn alternator designed to charge a nominal 24 volt battery will have a voltage and current regulation system to control its output voltage between about 27 and 36 volts and an output current that could vary between zero and about maybe 80 or 100 amps.The overall range of current amperage output from the alternator would vary from vehicle to vehicle depending on the sizes of its alternator and battery and those in turn would be sized to match the likely normal current amperages drawn by the vehicle's ignition, night-time road lighting, air conditioning and other systems.The actual charging voltage and current being output from the alternator at any instant depends on the "state of charge" of the 24 volt vehicle battery. A nominal 24 volt lead-acid type battery that is flat has a voltage of about 23 volts or less. One that is fully charged would have a voltage of about 27 volts.Only in the instance where two 12 volt batteries were connected in series to produce power for a 24 volt system, could a method be devised to use a 12 volt alternator to charge the batteries independently.


What are symptoms of a bad alternator in 2000 ford explorer sport?

Battery keeps running down when you are driving. Your battery light should be on if the alternator is bad. Check the voltage at the battery with a digital DC volt meter set to the 20 volt scale. You should read from 13.5 to 15.5 volts with the engine running at idle. If not the alternator is suspect.


How much voltage is required for charging the battery?

On an automobile with a 12 volt system the alternator must be putting out from 13.5 − 16 volts. If not the alternator is bad.


How many volts in 2003 Chrysler town and country alternator?

It is a 12 volt alternator. I think what you are looking for is how many amps is it. Most of them are 105 amp alternators.


What are the steps to change a 6 volt system to a 12 volt system?

Change all the bulbs on the car, the radio, clock, battery, starter, and generator or alternator.


Why is my 1984 alternator charging constant 16.3 volts?

If the battery checks out okay, you can replace just the voltage regulator inside the alternator.


Does a 1990 Volvo 240DL use a 1 wire alternator for a 12 volt system?

mikehunt


How much does a range rover classic car alternator weigh?

I just weighed a Range Rover Part # YLE10100 100 Amp 12 Volt Alternator and it weighs 13.90 lbs.


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H