Can a dash cam drain your car battery?
Can a dash cam drain your car battery? Using a hard wire kit for parking mode features MIGHT drain your car battery depending on how it is setup. With a hard wire kit that is made for a dash cam using parking mode, it will usually have 3 wires, red (constant power), yellow (car battery power) and black (ground). What causes a car battery to drain overnight? This happens when something – a glovebox light, an amplifier, any electrical component – is pulling power from the battery when it shouldn't. Since the alternator isn't generating vehicle electricity, the problem component...