November 12, 2013

Battery Warning Light Comes On While Driving

Battery Warning Lights
Conditions when car problem occur
The battery light comes on steady while driving.

Possible cause of lit battery warning lights
1) The alternator belt is damage.
2) The alternator is faulty.

Troubleshooting battery warning lights that comes on
When your battery light comes on while driving two reasons will cause this, first is the alternator belt is broken and second the alternator failed. The alternator is being driven by the engine using belts for the purpose of supplying charge on the battery and provides electrical power on all of your car accessories. If the battery light comes on while driving it means that the alternator is not generating electrical power for your car and all the car accessories will draw power to the battery until the battery also losses power. Now why the alternator is not supplying electrical power to the battery and accessories?

Two reasons are causing this, now pop up the hood and look into the alternator. Check if the alternator belt is damage if the belt is intact then the problem is the faulty alternator.

Read also: Battery Warning Lights Flickers

How to correct battery light comes on while driving
Damage belt
Locate the alternator and check for the belts, If the problem is the damage belts just replace the alternator belt to fix the problem, you may do the replacement yourself.

Faulty alternator
If there is a problem with the alternator for some car, it can cause the car to stall. In this case have your car towed to a shop and as the mechanic to check the alternator. The most common cause of alternator fault is a worn carbon brush just replaces the brush and the alternator is good to go. If the brush is in good condition the possibility is that the diode or the wiring inside is damage in this case replace the alternator with new or rebuilt one to fix the problem.