Can you ground an amp to the negative battery terminal?
Can you ground an amp to the negative battery terminal? You can ground two amplifiers with the negative terminal of the car's battery. You can get extra sound by adjusting two stereos, but the system gives the same output. How do you add ground to a battery? I pried the little bracket thingy bolted to the frame off the old cable, stripped the new cable at the right spot and beat the bracket thingy onto the new cable. Then bolted it on. You can do it in two pieces if you want, and/or you can add more grounds. Can't have...