FJ40 Wiring Help | IH8MUD Forum Apr 27, 2018It takes me about 40-60 total hours to fully tear a harness apart and document it. If I decide to build that year harness new for sale, I create a jig board, (4x8 sheet of plywood that the harness circuit is drawn on it full scale so that a new one can be built. ) Add another 10-15 hours for that.Trailer wiring kit for 71 fj40? | IH8MUD ForumJul 19, 2017For Sale - 1971 FJ40 CUMMINS DIESEL 5 SPEED FULLY RESTOREDJun 04, 2016Custom FJ40 wiring harness? | IH8MUD ForumOct 12, 2014Painless Wiring Harness install on an early FJ40 | IH8MUDOct 25, 2013See more results Complete Wiring Harness Kit - coolcruisers 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. The Painless award winning reputation is behind each kit.