I am getting ready to replace my '82 SD's stock Becker with a aftermarket CD head unit. The Becker is missing some buttons and has the annoying habit of going to full volume on a whim, and then not responding to the volume controls.
My questions are:
1) Is there an adaptor harness that I can plug in to the factory harness? A search here said you could get one from crutchfield, but they say none is needed.
2) do I need to bypass the center fader? There is no factory amp in this car, correct?
3) do I need to replace the factory speakers? I have read that they are 8 ohm and will not work properly with a aftermarket head unit that is expecting 4 ohm speakers.
Thank you