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radio stereo sid dimmer

  1. NG900 & OG9-3 Workshop
    I'm trying to install an aftermarket head unit in my 2002 Viggen Convertible. The harnesses coming from the car to the HU seem to have no dimmer/illumination wire. I'm trying to figure out how to connect the new unit's dimmer/illumination wire to the car. I guess the dimmer information must...