Anyone install a painless wiring harness? - JeepForum Oct 19, 2010Anyone install a painless wiring harness? hey..I'm thnking about getting to a loooooong overdue project, replaces ALL of my wiring.. CJ-7 6 cyl is a real wiring nightmare, wires going nowhere, just a real mess.Author: Twilson0813 Jeep CJ Wiring Harness - Centech Wire Jeep CJ Wiring Harness. Each wire terminal is also machine crimped and hand soldered for maximum reliability. Fusible links are installed on several high-current wires for further protection. Special ground wires are installed in each harness to allow for easy installation on fiberglass body Jeeps.