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Charging System

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Related questions

Question
All lights are on; on the dashboard and the battery continues to die.
Hello. The first thing to consider is that amount of work that has already gone into the vehicle. With the lowering of the battery's power so quickly after starting, I have a strong prediction that the alternator/charging system is not...
Question
changed altenator, still no power going to battery
If the alternator is "new", and thus presumably good, the vehicle engine is running, the alternator drive belt is appropriately tightened, and yet you are not getting around 14.5 volts of charging current at the battery posts, that means there...
Question
Car battery is fully charged and the car is receiving no power, it wont start and none of the in or outside lights are working.
Hello there, problems starting are one of the most common issues with your 2000 Pontiac Bonneville. The first place to start when the vehicle will not start properly is to have the battery load tested, this is a test checks...
Question
Replaced alternator, still not charging battery.
It sounds like you could have a faulty voltage regulator. When the voltage regulator is not working properly, this may result in the alternator not supplying enough power to the battery, resulting in undercharging the battery or not charging it...
Question
Alternator Pulley came off!!
Hello there, many faults will cause the alternator pulley to fail on your 2003 Volkswagen Golf. When the pulley assembly fails on the alternator it is most often due to a seized alternator bearings. To remedy this issue properly the...
Question
Service Charging system light coming in. Intermittent. Brand new alternator and battery. Have had to boost it a few times.
What you are describing sounds like a potentially failing voltage regulator. When the voltage regulator is not working properly, this may result in the alternator allowing too much power to be delivered to the battery resulting in damaging wires and...
Question
Charging system failure.
Based upon what you are describing, it sounds like you may have a voltage supply issue due to the amount of power being delivered to the accessories, speakers, etc. that the system is required to produce. If the voltage being...
Question
Charging system failure.
Hi There, You may have some faulty wiring or connections or potentially a faulty voltage regulator. The voltage regulator is a unit that regulates the charging of the battery by the alternator. When the voltage regulator is not working properly,...
Question
Battery died and was jumped, but will not stay running.
Hi There, Generally, when a battery is weak, it order for the alternator to recharge it you may need to run the motor for at least 20-30 minutes without stopping in order to properly recharge the battery. If this is...
Question
my car wont start the battery
Hello, It sounds like you may have something wrong in terms of a fuel supply issue. Since the car started once, generally this means it does have spark and that there are not ignition problems preventing it from firing. It...
Question
Can I have my jump starter plugged in to an outlet as if i was charging, then connect it to a batter and turn it on? Will that cha
If the vehicle battery happens to be more than 5 years (60 months) old, don't bother fooling with it. Buy a new battery and be sure the new battery is fully charged by the store before you install it, otherwise...
Question
What is draining my car battery?
Hello There, It sounds like you may have some potentially faulty wiring that may be causing a draw on your battery when sitting for long periods of time or potentially a faulty voltage regulator that is not properly regulating the...
Question
Red Battery indicator comes on. Car cuts off on the highway.
Hello There, It sounds like you may have a failing alternator or voltage regulator. As you know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine turns...
Question
Charging system warning light.
Hello There, What you are describing sounds like you may have a failing alternator. As you may know, the alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine...
Question
Charging system warning light.
Hi There, This may be a sign of a weak battery, a failing voltage regulator or failing alternator. The alternator is responsible for charging the battery while the engine runs by generating amperage and recharging the battery while the engine...
Question
How complicated is it to change the alternator belt on a 2007 Mazda 5?
Hello, thank you for writing in. The alternator belt is not terrible difficult to replace. It may involve removing some of the other components in the area to gain access to the pulleys. The first step (beside accessing the belt)...
Question
i need a alternator
Hello, thank you for writing in. You are correct in thinking that your charging system has failed. This is very likely the situation at hand. With that being said, you should still have your battery tested. Typically this is a...
Question
When changing the car battery, do you "register" the battery to the car computer?
Hi there. Changing the battery has nothing to do with programming a battery. If the car was flat dead with a battery that lost all of the power because the dome light was on, then when jumped the vehicle will...
Question
Why do I need to charge my car's battery ever week or two but I cannot find an obvious problem withe the electronic system.
If you are starting the car and only operating it for a very short period, such short duration operation does not give the car's charging system sufficient time to re-charge the battery. Consequently, repeated short trips, especially in cold weather...
Question
New battery and alternator but there is still no power in my 204 Xterra onve I turn it off.
Hi there. It sounds like you either have a defective alternator or there is another issue within the circuit for the charging system. I usually start by checking the output of the alternator. If it is not putting out the...

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