2007 Honda CR-V OE Wiring Harnesses & Stereo Adapters Honda CR-V 2007, 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. 2007 Honda CR-V Vehicle Accessories | etrailer Trailer Wiring Harness Installation - 2007 Honda CR-V Today in our 2007 Honda CRV we'll be installing the Curt T-Connector Vehicle Wiring Harness with 4-Pole Connection Point, part number C55106. Now to begin our install we'll first open up the rear hatch and then remove the spare tire cover.