It is a 6 wire also This is a diagram I made up for my project based on the service manual schematics after I traced them out. 1961-1966 1961-1966 Dodge trucks had a fairly simple wiring harness that was point to point without a bulkhead connector. Dodge Truck SUV and Van Forums.
1 trick that We 2 to printing a similar wiring plan off twice.
1966 B- F- T- N-. Omit wire between Starter Relay terminal I and Coil terminal. I recommend you get a set for your truck. From 65 Dodge Truck Service Manual.