What could cause an alternator to overcharge?
What could cause an alternator to overcharge?
Improperly jump-starting the vehicle can send a surge through the battery that destroys one or more cells in the battery or shorts it out. This surge disrupts the wiring in the alternator, causing an overcharging condition.
What should the volts be on a Dodge Charger?
A reading around 12.5 or 12.8 volts is normal. A reading below 12 volts may indicate your Dodge’s battery is the culprit. Charge the battery and, without running the car in the meantime, test it again the next day.
What should the voltage be on a Dodge alternator?
Read the voltmeter again. This time a reading between 14.2 and 14.6 volts is the norm. If you see anything below 14.2, your Dodge’s alternator is not providing enough voltage to keep the battery fully charged. Listen to the Dodge’s alternator while the engine is running.
Why is my Dodge Ram charging system not working?
It is possible that your new alternator is bad. Have had that happen to me. Also, make sure all wiring is good especially from the pcm to the alternator. There may be a way to test the pcm voltage regulator, that would be ideal, but it may require sophisticated testing equipment.
What does 12 volts mean on Dodge battery?
A reading below 12 volts may indicate your Dodge’s battery is the culprit. Charge the battery and, without running the car in the meantime, test it again the next day. Another low reading would mean that your battery is bad or that you have a short circuit in the wiring.
Can a Dodge alternator charge at 15 volts?
Lately my alternator began charging at 15+ volts. I replaced the alternator, checked all the wiring, checked every ground under the hood and everything seems fine but it still overcharges. Reading 15.2 without a load and 15.8 to 16 with a load but never goes any higher.
How many volts does a Dodge Ram have?
Reading 15.2 without a load and 15.8 to 16 with a load but never goes any higher. It may be coincidence but it seems like it started right after I had the intake manifold off doing the plenum plate upgrade.
Why is my alternator not charging my battery?
So basically the alternator is not charging the battery at all. Just a few minutes of driving kills my battery. I did try all the simple stuff already I’ll go ahead and type the whole timeline.
How many volts does a car need to charge?
When he was done he checked the system voltage at idle, and then reported that the car needed an alternator, it was only charging at 12.7 volts. I said hang on, let’s check it out.