lq9 wiring harness | eBay Find great deals on eBay for lq9 wiring harness. Shop with confidence. Skip to main content. eBay Logo: Shop by category. LS1 LQ9 L76 STAND ALONE WIRING HARNESS BOOK MANUAL GUIDE ENGINE SWAP PCM 6.2 6.0. Brand New. $24. Buy It Now. Free Shipping. Only 1 left! 3 Watching. LQ9 Chevy LS V8, Wiring Harness and Components - Free Shop LQ9 Chevy LS V8 Wiring Harness and Components parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. LQ9 Chevy LS V8 Wiring Harness and Components parts in-stock with same-day shipping.