Complete Wiring Harness Kit - coolcruisers Complete Wiring Harness Kit When the wiring gets too old to repair or you just want to do your FJ40 restoration right from the ground up, then the Painless wiring kit is your highest quality solution. This Painless Performance wiring kit is a complete kit and not a stripped down kit as offered by others. FJ40 - Complete Plug-and-Play Wiring Harness | Land Feb 06, 2015My goal is to re-wire it for him. I'm looking for something fancy that probably doesn't exist. I would love to find an entire wiring kit for the FJ40 with a Chevy engine. I suppose even just a wiring harness for an FJ40 would be fine and could be adapted for the Chevy engine. Any tips and suggestions would be greatly appreciated. Thanks in advance.