What happens if car stereo is not grounded?
What happens if you don’t ground a car stereo? Most of the time it won’t turn on! But, many car stereo’s will receive a ground through the antenna being grounded and allow it to turn on!
What color is the ground wire on a car stereo?
Ground wires are black, antenna wires are blue, and amplifier wires are blue with a white stripe.
How do you fix the ground on a car stereo?
Grounding a head unit to a cigarette lighter instead of the chassis also can introduce a ground loop. The right way to fix the problem is to tear down your sound system and attach the grounds from components like the head unit and amp directly to the chassis in the same place.