I had assumed they were the power leads for the fader illumination, but I have never checked it. There is a LED or miniture lamp in the fader switch. I don't have the ActivBass in my 87, just 2 dash and two rear speakers, so ???

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John

2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)

Click to see 87 300E