My battery drains out like there is a draw why?

That is good advice. Remove the power to the alt but keep in mind, with the battery connected, the power to the alt is hot. One other thing about the alternator are the diodes in it. They are designed to allow power to travel in one direction only. If you have a bad one, it will short to ground and drain the battery. The alternator will still charge when the engine is running, but drain the battery when off.

What you got is a direct short to ground within the electrical system maybe and could involve the hazard circuit. Get a test light -disconnect the negative cable on the battery put test light between the disconnected cable and battery negative post-the test light will lit if you have a short in the system that's eating up the battery.

To find it start removing fuses one by one till the light turns off-this is where the trouble is located.

Its okay -half of the time it doesn't work or you don't have enough posts to do it. You have a nice day.

Hello, We are sorry you are having troubles. Let me see if I can help you out.

If your battery is going from a full charge to dead over night it could be a couple of things.

1: Your battery has reached its life span and will no longer hold a charge. In which case you will need to replace it. Many part stores cant test your battery to see if it is good for free. Check with your local auto parts dealers to see who will do this for you at no charge. You can just walk in with the battery. You do not need to bring the car.

2: You have a draw on the battery that is draining it. Here is a link to show you how to test your system for a draw should the battery turn out to be fine:

https://www.2carpros.com/articles/car-battery-dead-overnight

If you need more help or have more questions with this issue please feel free to come back and ask. And if this resolves your issue please let us know. Have a great day! Rich.

Good morning.

Did you check the charging system?

If it is overcharging, it will boil a battery and fail the battery. Use a voltmeter and see if the charge rate is 14 to 14.5 volts.

Did you also check for a draw?

Roy

https://www.2carpros.com/articles/car-battery-load-test

https://www.2carpros.com/articles/how-to-check-a-car-alternator

https://www.2carpros.com/articles/car-battery-dead-overnight

A battery drain with everything turned off? The best time to check for a lite staying on, is in the dark, under the hood, in the cab, somewhere. You can take battery cable loose, use testlite between cable and battery posts. If the lite is on, pull fuses one at a time. When you pull the fuse on the faulty circuit, the lite goes out. If you have a lite under the hood, you have to account for that and keep the doors shut.

I would install a battery shut off on negative cable, when you turn it, it will cut battery power to engine.

This will erase clock settings and radio presets, but it will tell you if there is a battery drain.

Some autoparts stores have a device that will measure drains on battery when engine is off.

But drains are hard to isolate without proper equipment.

Also check relays with engine off, after engine cools, quickly touch relays, if any are hot, then relay is stuck.

I need you to check two things. First, we need to check if the alternator is working when it reads 12 volts. The 14 you mentioned sounds normal. If it drops to 12, the alt may be going bad. When it is reading 12 volts, run this test:

https://www.2carpros.com/how_to/how_to_test_alternator.htm

After that is complete, I need you to check for an electrical draw. Here are the directions for that:

https://www.2carpros.com/first_things/why_is_my_car_battery_dead_over_night.htm

Let me know the outcome of both so I can point you in the right direction. If there is a draw, remove one fuse at a time to see what circuit is causing it. The draw should stop when you hit the right circuit.

Joe

Hello,

This definitely sounds like your vehicle has a parasitic draw issue. Parasitic draw is an industry term. We use it when, just like in your case, a vehicle has some kind of electrical draw that will drain a vehicle's battery, even when the vehicle is shut off.
I have included a link to a guide for you down below.

https://www.2carpros.com/articles/car-battery-dead-overnight

Please go through this guide and get back to us with what you find out. And make sure you have got a really good charge on your vehicle's battery before you start please. It will make things alot easier.

Thanks,
Alex
2CarPros

Hello again,

Awesome, that's what we like to hear.

Thanks,
Alex
2CarPros