Why is my car battery light on after changing battery?
Why is my car battery light on after changing battery?
Battery warning lights are an indication that you have battery charging problems. If the battery warning light is still on despite replacing it with a new one only indicates one thing, you have an alternator problem. The warning light will typically go off after solving the problem or replacing the battery.
Why does the battery warning light come on?
The battery warning light in most cars indicates there is problem with the charging system as a whole, not just the battery. It sounds to me like you have a problem with your alternator. The airbag computer will set a code and turn on the warning light when the system voltage is too high, or too low.
What to do if your engine light is not on after battery replacement?
If you followed the correct procedure to replace the battery of your vehicle and the engine light was not on before you replaced the battery all you will have to do is to diagnose the system and reset the engine computer. It could happen to BMW, Mercedes, Audi, and almost any newer vehicle. This happened on our BMW e46.
Why does the battery light stay on when the alternator is off?
The alternator is definitely charging the battery and does not drain overnight but the battery light continues to stay on. Before spending money to test the fusible links, please advise If the alternator will still charge the battery with a faulty or blown out fusible link? Thanks.
How can I tell if my alternator or battery is OK?
As with most electrical issues, if you know the battery or alternator is OK (because you had it tested), then diagnosis comes down to tracing and testing for continuity from one portion of the circuit (s) involved to the next.
Why is the battery light still on after a change?
So here is my theory. When a fault in the electrical system is detected, it illuminates the battery light. After the conditions return to normal by repairing the issue, the light stays dimly lit until the fault is cleared from the computer. Does my theory make sense or does a problem still exist my electric systems?
What to do if your battery light is off?
Visit The Drive ’s guide for How To Clean Battery Terminals for more. Use a multimeter to test the battery for the correct voltage. A fully charged battery should register 12.6 volts or more. If it’s off, try recharging the battery with a trickle charger before replacing it.
Why is the second alternator Battery Light still on?
Now the second alternator has the battery light on but very dim constantly when engine is running. charging fully ay 14.5. Is the replacement a denso unit or an aftermarket unit? Did you try cleaning your grounds or inspect for broken ground wires?
How does a Battery Charger Charger light work?
Your charging light bulb in the dash gets its power from the 10amp GAUGE fuse. The regulator in the alternator grounds that circuit as necessary to make the light come on. Was the battery light on dim before you installed the new alternator?
