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It depends on the vehicle. On some newer models, a computer reads the voltage from the battery and has direct control over the bulb. On older vehicles the bulb was direct wired in such way that when the alternator started to charge it sent voltage up the ground wire of the bulb. That causes voltage on both sides of the bulb and no current flow so the bulb did not light.
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What does it mean when my Renault Laguna battery charge warning light comes on aswell as the stop light?
Your alternator is defective and not recharging the battery. Have the alternator checked.
Would alternator connectors cause a battery light to be on?
yes if one of the wires was getting an earth from the alternator cover or rubbing off the engine the battery light is really an alternator light warning you that the alternator is not charging the battery
When the igniton is turned on the battery light comes on bright When the car starts the battery light does not go out comletely it stays on sort of half the brightness What is the problem?
YOUR ALTERNATOR IS BAD THE REGULATOR INSIDE THE ALTERNATOR HAS SHORTED OUT BUT MOST OF THE TIME IT WILL STILL CHARGE
Why is the battery not charging on a 94 Mitsubishi Mighty Max Pickup?
is your "NO CHARGE" warning light coming on? if not this could simply be the problem, on some vehicles the charging circuit incorperates the "NO CHARGE" bulb and if its blown the vehicle wont charge. COuld be an alternator problem ( worn bushes etc) or faulty earth lead from alternator.
Why does your car battery light flicker?
poor charge or intermitant charge from the alternator, also check condition of the alternator belt
How does the battery warning light go out after the engine has started?
The alternator has A specific connection that is for this job, When there is power to the alternator and the alt. is not making power it will light the bulb. When the alt. begines to make the desired amount of power it will automatically turn off the bulb. If the light is removed the alt. will not charge, because the light is also used by the alt. as verrification.
Why does the battery charging system warning light come on?
The alternator switches off
Warning light Volvo s70?
There are several warning light on the instrument panel. There is a high water temperature light. There is a low battery charge light. There is a low oil warning light.
Does 1999 mercury mystique have an alternator warning light?
There is a battery light above the engine temperature gauge
Battery light on 94 Saturn won't turn off?
That is typically caused by a faulty alternator. Have the alternator tested; the light is indicating that the alternator is not providing a charge to the battery.
How do you reset charging warning light on Honda 2001 Civic LX 4-door after replacing alternator?
The charging warning light should automatically reset if the battery is disconnected. Check the battery cables and ensure they are properly connected. Also check the alternator connections. If the light is still on there may be a problem with the new alternator.
What is an alternator warning light?
The alternator warning light monitors the charging system. When the light comes on it means the alternator has failed and you are running on the stored energy in the battery. You'll have anywhere from 5 to 30 miles to get to a repair shop depending on how many electrical devices are using the batteries power,ie.radio,lights,wipers,etc.
