1998 Ford Contour OE Wiring Harnesses & Stereo Adapters Ford Contour 1998, 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. 1998 Ford Contour SVT: self destructing engine wiring Jan 19, 2011I have a 1998 Ford Contour SVT that is an early production car so it has the self destructing engine wiring harnesses. Every bit of the insulation has fallen off the original wires and i want to know if i can use the underhood harnesses from a 99 SVT Contour to replace it?