What to do to give your car’s electrical system a power-up. … Your headlights dim when the stereo pulls too much power out of your car’s electrical system. … Every part of the electrical system suffers because of the amp’s sudden demand on the limited supply of power, even the …brake lights and turn signal cause your power to drop and your headlights to do the dance to the left turn signal.
What to do get a High output alternator or a second battery that will add extra weight, plus the storage and extra wires to run.
So what is the solution?
Have you done an alternator upgrade?