It can destroy the amp, or it can destroy the electrical system.
You will destroy or damage the cars wiring harness! This happened to my co-worker at Montgomery ward auto center when it was still in business
The fusebox is located on the right hand side below the steering wheel and a bit to the right. On British cars with the wheel on the left side of the car it can be found in the same position on the left hand side of the car
They're probably either too hot, or incorrectly timed.
All cars are differently wired. What type, model, and years is the car?
Super Cars happened in 1990.
Combat Cars happened in 1994.
Mars Cars happened in 1982.
Smash Cars happened in 2003.
Battle Cars happened in 1993.
Super Cars II happened in 1991.
The World of Cars Online happened in 2010.
Because they are not wired through the ignition switch. This is a safety feature that all cars have.