QUOTE(twistedsymphony @ May 8 2008, 02:49 PM)

Yes we do use a plugin harness, it's different on nearly ever car though. The way it works is the aftermarket stereo will come with one plug with 6" of wire hanging out from it, then you buy the harness that matches with your car which is one or two plugs with wires hanging out of it, then you have to solder or crimp the two halves of the adapter together... They do make pre-made harness for popular stereo brands and popular cars but they're quite rare.
The Mini uses a harness similar to what you showed but the mini harness is missing a bunch of wires that are needed by the aftermarket stereo, meaning you have to run additional wires al over the place.
thats quite silly, see in that picture i showed you, the end with the 2 blocks will fit in 99.9% of aftermarket stereos regardless of manufacturer. and they make harnesses for almost all cars on the road. Though ya might have trouble if your driving something silly like a trabant.
so its just "original car wiring-->harness adapter-->stereo" no wiring or soldering needed. Good thing you enjoy doing it cause that would drive me nuts since it's always me people phone to install their car audio *sigh*
This post has been edited by grim_d: May 8 2008, 02:50 PM