This article shows the wiring or re-wiring how to steps for you early to mid WWII Ford GPW jeep with a new wiring harness.. Here is the G503 WWII Willys and Ford Late 1945 Jeep Wiring Diagram with the rotary main switch-Print version
![[DIAGRAM] 1944 Ford Gpw Wiring Diagram](http://g503.com/oldsite/images/old-parts-page/rfjp-wiring-diag-early-mid.jpg "[DIAGRAM] 1944 Ford Gpw Wiring Diagram")
![[11+] Ford Gpw Wiring Diagram, 1944 Willys MB My Project](http://fordification.net/tech/images/wiring/wiring_79master_3of9.jpg "[11+] Ford Gpw Wiring Diagram, 1944 Willys MB My Project Page 8")
![Binoculars Are Or Is pro [8+] Ford Gpw Wiring Diagram,](https://i.pinimg.com/736x/d6/a1/a6/d6a1a63d690acddee00892968ffa4419.jpg "Binoculars Are Or Is pro [8+] Ford Gpw Wiring Diagram, Willys M38")
![[DIAGRAM] Ford Gpw Wiring Diagram](http://www.surfacezero.com/g503/data/2996/IMG_28702.JPG "[DIAGRAM] Ford Gpw Wiring Diagram")
![[11+] Ford Gpw Wiring Diagram, 1944 Willys MB My Project](https://www.oshkoshequipment.com/common/assets/images/products/3822-11.jpg "[11+] Ford Gpw Wiring Diagram, 1944 Willys MB My Project Page 8")
![[DIAGRAM] Ford Gpw Wiring Diagram](http://i35.photobucket.com/albums/d170/45jeep/IMG-20130409-00420_zps9f58e57c.jpg "[DIAGRAM] Ford Gpw Wiring Diagram")
G503 WWII 1944 Willys MB and Ford GPW Jeep Late Wiring Diagram In Nov 1944 there was a change in the main switch type from the push pull switch to the rotary switch.. Here is the G503 WWII Willys and Ford Late 1945 Jeep Wiring Diagram with the rotary main switch