1999 Subaru Forester OE Wiring Harnesses & Stereo Adapters wwwd››Subaru›ForesterSubaru Forester 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. 1999 Subaru Forester Engine Wiring Harness - Subaru Parts Genuine Subaru Parts, the Right Choice SubaruPartsDeal offers the lowest prices for genuine 1999 Subaru Forester parts . Parts like Engine Wiring Harness are shipped directly from authorized Subaru dealers and backed by the manufacturer's warranty.