What happens if you connect a battery charger to the wrong terminals?
Damage the Charger The working systems of both the battery and the charger are affected when the cables are attached incorrectly. The basic phenomenon behind this is that as the polarity of the terminals is changed it could send the incorrect polarity back into the charger. This will permanently damage the charger.
What happens when you put batteries in backwards?
If you put in both batteries the wrong way and apply a negative voltage, your device may be damaged. The designers may not added a protection circuit (i.e. a diode) because it’s battery powered and they need all the voltage they can get. If a device causes a short, that can damage the batteries.
What happens if I hook battery cables up backwards?
Battery to Battery When the battery cables are hooked up with the negative to the positive and positive to the negative terminals, the battery can explode. A battery charger that is being used to charge a dead battery will be damaged if the positive and negative cables are hooked up incorrectly.
Where do you hook up the battery cable?
Batteries cables must be hooked up correctly when charging a battery while it is in or outside of the vehicle. The red cable is connected to the positive (+) battery terminal and the black cable is connected to the negative (-) terminal or to the car frame.
Why are there wires in the engine bay?
Regardless of how the old battery was installed, it is their responsibility to insure that the correct cables are attached to the correct posts on the replacement battery. They goof, they pay. There are “wires” in the engine bay that are designed to open up in an over-current situation. They are called fusible links.
What happens when a battery is hooked up to a negative terminal?
When the battery cables are hooked up with the negative to the positive and positive to the negative terminals, the battery can explode.