Radio Wiring Adapter
Although other after-market harness manufacturers have these (Scosche, part number SU03, and Metra, part number 70-8901), theirs lack the Orange/White dimmer wire. Subaru factory radios require this wire for the illumination to work. I started making these mainly for WRX owners who are keeping their factory radio and want to buy both a reverse and forward harness at the same time and be certain they get harnesses with all 14 wires. Note: The dimmer wire is not needed by most after-market radios.
The wires have the same EIA-standard color-coding as other after-market harnesses, with text labels (for example, "Left Front Speaker +") and pre-stripped ends ready for you to crimp or solder to the harness that comes with your new radio. The 14 wires are:
For more information and testimonials from satisfied customers, see this post on the Subaru-SVX.net forums.