i jus bought a 92 mercedes 500sel and it has a kenwood flip out dvd player but it makes this annoying space ship sound while drivin also when i push the gas pedal it gets louder,in the trunk is 2 amps but it looks like 1 has been taken off and there is 2 wires hangin down is that the problem?

Sounds like it could be EMF interference from the alternator. You could try a line filter. Also, check to see if you have speaker wires running too close to a power cable.

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check the DC voltage of the alternator At B+ ;13.8--14.1V DC.Normal . Next check the alternator AC voltage , it shoud be negligile . if a high figure then a diode is leaky.
The rectangular capacitor keeps other generated noise down .Is it connected at B+.
mak