jaguar xj6 wiring harness | eBay Find great deals on eBay for jaguar xj6 wiring harness. Shop with confidence. Skip to main content. eBay Logo: 1997 JAGUAR XJ6 LH DRIVER SIDE REAR DOOR WIRE WIRING HARNESS 1995-1997 (Fits: Jaguar XJ6) Pre-Owned. $23. or Best Offer. Free Shipping. JAGUAR XJ6 XJ8 XJR CD RADIO STEREO HEADUNIT ISO WIRING HARNESS ADAPTOR CT20JG01. Brand New. Wiring Harnesses, XJ6 and XJS - Jaguar Specialties Wiring Harnesses, XJ6 and XJS. Doing the engine wiring for a Jaguar has always been a problem- even though we are switching to a more common Chevy powerplant, and portion of the original Jaguar engine wiring is usually required to do finish the job.