1992 jeep wrangler wiring harness | eBay Find great deals on eBay for 1992 jeep wrangler wiring harness. Shop with confidence. 1992 Jeep Wrangler OE Wiring Harnesses & Stereo Adapters Jeep Wrangler 1992, 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.