Toyota Yaris Stereo Wiring Harness - AutoZone Order Toyota Yaris Stereo Wiring Harness online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. 2008 Toyota Yaris OE Wiring Harnesses & Stereo Adapters Toyota Yaris 2008, 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.