Wiring a Willys truck (Basic) Jump to Latest. In all of the diagrams the ammeter is wired wrong - as far as the way vehicles are usually wired. The way it's shown it will show the output of the alternator - not really useful information, as that will be higher or lower depending on the electrical load and state of charge of the battery... I created a post with a list of wiring schematics, but it was deleted somehow. This page provides a temporarily replacement. I'm sure I had links to where I found these, but I will have to relocate them. CJ-2A wiring Diagram. CJ-3A Wiring Diagram. 1956 CJ-3B Wiring Diagram. 1965 CJ-3B Wiring Diagram. 1972 CJ-5 Wiring Diagram. 1978 CJ-5 Wiring.
![[DIAGRAM] 1950 Willys Wagon Wiring Diagram Schematic](http://g503.com/oldsite/images/old-parts-page/rfjp-wiring-diag-late.jpg "[DIAGRAM] 1950 Willys Wagon Wiring Diagram Schematic")
They even run 10% off sales quite often especially around Thanksgiving. Every circuit is color coded And the harness is made to order for your year and model Willys. The installation on my wagon was easier because all the original wiring was intact . Basically a lift and lay and followed the diagram .. I have a 1961 Willys truck with the 6 cylinder Super Tornado engine. Like everyone else, over the years the wiring has been hacked on, spliced, tied together etc.. The wiring diagram just uses a color code and you have to match that with the correct wire. So for instance the high beam output from the high beam switch might be a green wire.