1999 Ford Contour Curt Vehicle Wiring Harness with 4-Pole 1999 Ford Contour - Curt Vehicle Wiring Harness with 4-Pole Flat Trailer Connector - 60" Wire Lead. Wire your Ford Contour to tow a trailer with this universal, splice-in wiring kit. Includes 4-way flat connector, 60" of bonded wire and necessary installation hardware. Designed for use with 2-wire electrical systems. Features:4.7/5(54)Category: WiringBrand: Curt 1999 Ford Contour OE Wiring Harnesses & Stereo Adapters Ford Contour 1999, 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.