2004 Lincoln LS OE Wiring Harnesses & Stereo Adapters Lincoln LS 2004, Factory Replacement Wiring Harness by Metra®, with OEM Radio Plug. For factory stereo. This high-quality Metra wiring harness is just what you need to replace your defective or aged factory wiring harness. Lincoln LS Wiring Harness | Auto Parts Warehouse We know car parts and we know auto parts. We're here to help you find that perfect Wiring Harness for your Lincoln LS. We love when auto parts experts come to our site and we love when car parts newbies come to our site. We have worked hard to design a site that caters to everyones Lincoln LS Wiring Harness 2004 Lincoln LS Pigtail Wiring Kits - Ford Parts Giant FordPartsGiant offers the lowest prices for genuine 2004 Lincoln LS parts. Parts like Pigtail Wiring Kits are shipped directly from authorized Ford dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3 DOHC EFI Modular, 8 Cyl 3 DOHC EFI NA.