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What Causes an Alternator to Overcharge? | eHow


An overcharging alternator can cause permanent damage to the vehicle's battery. ... This happens in newer vehicles with alternators that need signals from the vehicle's ... When the wrong alternator has been installed in a stock vehicle or if the ...

Why would an alternator overcharge? - Ask.com


The reasons alternators overcharge include issues with the battery, drive belt, alternator output, external ... How does someone tell if a car battery is dead because of a faulty alternator? ... What does it mean when I smell gas inside my car? Q: ...

Diagnose Starter & Alternator Problems


What happens when you turn the key and try to start the engine? If ... If the solenoid that energizes the starter motor is faulty or has loose electrical ... When an A-circuit regulator loses positive voltage, the alternator will overcharge if the field still ...

Diagnosing Alternator Problems - EricTheCarGuy - YouTube


Jun 29, 2011 ... I got together with my friends from BBB Industries on this one, we managed to put together a pretty comprehensive step by step on what to do if ...

How to Tell if You Have a Faulty Alternator - CarsDirect


How to Tell if Your Alternator Has Gone Bad A dead alternator can cause all kinds of ... a higher number indicates that the alternator is overcharging the battery. ... it only happens in the winter. when cold. also in the winter my car wont hold a ...

Alternator 101 - Chargerr.com


The following diagram shows how I hookup up a GM alternator to my car. ... If everything is hooked up correctly, it should be driving 13.8V DC constant voltage. ... The worst case scenario is the regulator fails and the alternator overcharges and ...

TeamSwift • View topic - Overcharging battery / alternator.


If I give it a bit of gas, it will reach around 60amps! :shock: My mechanic also told me it's the alternator overcharging the battery. My question is now this: .... Replace the battery and see what happens. If it was the alt or voltage ...

Service Advisor: Tips on Solving Alternator Failure Issues ...


May 16, 2012 ... If the voltage dips below 12.6 volts with the surface charge removed, a fully ... A related alternator failure is the battery warning light illuminating on a ... less than actual B+ voltage, which causes an overcharge at the battery.

How-To: Troubleshoot Alternator Charging Systems ... - Mustang 360


If your Mustang sits a lot, it is important to keep the battery maintained via a trickle .... switching device that keeps the alternator from overcharging the battery and, at the .... I was starting to think that my alternator was causing my new battery to drain ... so we'll see what happens. http://www.earls-garage.com/Alternators....

Diagnosing Common Automotive Charging System Problems


Sep 18, 2013 ... If the alternator is bad, your car or truck will eventually die out again as the battery is not re-charged. ... Solution: This is usually caused by an overcharged battery, which is typically the result of .... My battery won't hold charge in one car but it will in another. ..... Some days it happens somedays it does...

Helpful Resources

Alternator Repair,bad alternator,diagnose symptoms repair problem


Alternator Repair, what is an alternator, bad alternator symptoms,help ... An overcharging alternator can "boil a battery dry", so if your battery gets low on .... myself instead of using my lifetime warranty, just to make sure it gets good parts and ...

Alternator overcharging battery? | Yahoo Answers


Dec 26, 2012 ... So I had my alternator & starter, along with a new battery changed around March of this ... If its bad it can under charge and also overcharge.

Can an car alternator put out too much power and ruin a battery ...


After the guy looked at it he told me my alternator was putting out too ... You can destroy the battery if the alternator overcharges the battery.

Charging system diagnostics: battery, alternator, and related systems


If this happens, charge the battery out of the car to confirm it is still good. ... If the circuit is shorted the alternator will run full field and will overcharge, if it's open ...

diagnose faulty voltage regulator causing battery overcharging?


Apr 27, 2014 ... The alternator died (at least that is what I thought) as the battery kept going flat. ... I'm getting concerned there could be a problem with the voltage regulator causing batteries to overcharge and boil dry. ... If it is constantly charging would that kill a battery? .... Can someone harm my computer just using gr...