Web Results

The Top 5 Things That Will Drain Your Battery | YourMechanic Advice


Nov 30, 2015 ... If your lights, radio, and other things are running off your alternator, your car battery ... And even then, bad charging will drain your car's battery.

www.ask.com/youtube?q=Does a Bad Car Battery Drain Your Alternator?&v=_1q40V-BPQc
Jul 24, 2013 ... Bad Battery or Bad Alternator, how to tell the difference (Brief Version) - Auto Information Series ... This video will briefly explain how to tell if you have a bad auto battery or bad alternator. ... How to test your starter: https://www.youtube.com /watch?v=YKQP6. ... Diagnosing a car battery that drains overnight.

Can a dead alternator drain a brand-new battery with a day or two ...


Your FIL is correct the alternator is the most likely culprit. ... If the alternator is dead, but the battery is fully charged, the car can and does use .... If the alternator is bad, then everything electrical is running off the battery and it ...

How to Find and Stop Car Battery Drains – DIY ... - Popular Mechanics


Jun 7, 2010 ... There are plenty of energy-robbing devices on your car that are supposed to go to sleep ... gets your engine running, and a charging-system voltage test confirms that your alternator is charging. ... Some vehicles will show as little as 10 mA residual drain. .... Ford Recalls 680,000 Cars For Faulty Seat Belts.

How does a bad alternator drain a battery? - Quora


Alternators generate AC electricity which is then rectified and regulated to properly ... The car would stop when the battery is dead. ... Which Android Apps are known to contain malware or bad code that drains your battery?

Can a bad car battery cause a car to lose power while driving ...


A bad battery can cause a car to lose power while driving if the alternator cannot keep up with the ... How can you tell if your car's alternator is going bad?

Can my alternator drain my battery if the car isnt running ...


Best Answer: Shouldn't, no, not saying it can't. But your car is running off the battery if the alternator is bad. Most likely you're draining the ...

Will bad alternator diode cause parasitic drain and still charge ...


The battery was 7 years old so I figured it was toast when my car ... So I am thinking bad alternator diode or some other source of parasitic drain. ... It sounds like a bad alternator to me, it's possible that your old battery was fine ...

Alternator Q&A - Know Your Parts


A) A bad alternator will result in a discharged (dead) battery and cause a vehicle to not start or run. ... Q) The car's battery goes dead overnight. ... We have produced a very helpful step-by-step “Testing for Parasitic Battery Drain” video that can ...

[cars] Battery keeps dying can't figure out why. — Penny Arcade


The battery in my Blazer keeps getting drained and dying. ... things on in the car until your voltage drops so you can figure out what's killing you. ... Best case, he replaced your alternator with one that's already bad by accident.

More Info

car-repair/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 ... Usually, the problem falls into one of two categories: a dead car battery or a ...

Five Signs Your Car Battery Is Dead (or About to Die) | AxleAddict


How to Jump-Start Your Car Battery in Ten Steps ... Do not connect the final black cable clamp to the dead battery. Instead ..... Symptoms of a Bad EGR Valve. 31.

Diagnosing A Car Battery That Runs Down


Why Your Car Battery Runs Down. ... KEY-OFF CAR BATTERY DRAIN. If your car .... Sometimes a bad alternator diode can cause a car battery to run down.