What Happens If You Connect A Car Battery Wrong. The Car is a 2006 16 Petrol Focus 1Car will not start due to dead battery and the only noise that can be heard is a clicking due to lack of power in the battery. So before you disconnect a car battery.
The current to the battery charger will burn out component inside the charger. That means the electric current is only unidirectional. Charging a battery backward does not work and the mistake can cause damage to the battery and potentially to the vehicle boat or connected machinery.
The difference in current may cause spikes and surges that could damage the computer onboard or the panel for the fuse.
This can irreparably damage many of the sensitive electronic components that are common on todays vehicles. This can irreparably damage many of the sensitive electronic components that are common on todays vehicles. So what happens if we connect the battery cable in wrong side. I am sure some of you out there have done the same idiotic thing that I did last night.
