Compact Stereo Antenna Harness Adapter for Installing a New Radio Into a BMW, 7 Series, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998

i'm getting ready to install aftermarket stereo head unit in my 1990 e30 mine has just the basic system without amplifier i didn't do this this i bought it like this but what you will get is this will be all wrapped up in in that bmw cloth tape and it will be confusing because there is that uh potentiometer resistor right here that splits the two speakers left and right so let's just get to it so what i did i just unwrapped this so you'll get your once you wrap when you're looking like this it looks confusing but once you unwrap that tape you'll get you'll visit you'll get four speakers you'll get four speakers see one two three four all right so you got these type these types of wires let me just tell you what they are now the white one the fat white one is power antenna it gets 12 volts from the stereo to get the antenna going up and down next will be brown this brown wire right here