2002 Subaru Outback Wiring Harness - Main - Subaru Parts SubaruPartsDeal offers the lowest prices for genuine 2002 Subaru Outback parts. Parts like Wiring Harness - Main are shipped directly from authorized Subaru dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. 2002 Subaru Outback OE Wiring Harnesses & Stereo Adapters Subaru Outback 2002, Aftermarket Radio Wiring Harness by Metra®, with OEM Plug. For aftermarket stereo. Metra preassembled wiring harnesses can make your car stereo installation seamless, or at least a lot simpler.