chevy caprice wiring harness | eBay Find great deals on eBay for chevy caprice wiring harness. Shop with confidence. Skip to main content. eBay Logo: IMC Audio Speaker Connector Wire Harness for Chevrolet Vehicles 72-4568 SHGM03B. Brand New · IMC. FOR SELECT 1973-1991 CHEVY Radio Wiring Harness Adapter w/ Connectors #1677-1 (Fits: Chevrolet Caprice) Brand New. $2. 1991 Chevy Caprice OE Wiring Harnesses & Stereo Adapters Chevy Caprice 1991, 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.