How to hook up amp to car battery?

Question

i have a car battery laying around, i already have the ground hooked up. and both the 12 volts and remote hooked to +, but the amp still wont turn on :( ......do i need to hook the - any where because it isn't hooked up any where at all

Answer 1

you need to put the ground to a bolt in the car, or run it to the - on ur battery

Answer 2

If you have nothing connected to the negative battery terminal, then what is the ground "hooked up" to?