If you by-passed the light switch and went with a hot wire directly to the head light hot leads and the bulb lit, the ground for the head light is good. This gets me back to the wiring diagram.. A wiring diagram for ford 9n tractor is the essential roadmap for diagnosing starting issues and charging failures on this 1939-1942 classic. This guide provides a detailed breakdown of the original 6-volt positive ground system and the common 12-volt alternator conversions to ensure your vintage machine runs reliably. By understanding these circuits, you can safely repair or replace your.
![[DIAGRAM] 6 Volt Positive Ground Wiring Diagram 3 Terminal Regulator](http://schematron.org/image/wiring-diagram-for-6v-tractor-voltage-regulator-positive-ground-solenoid-start-3.jpg "[DIAGRAM] 6 Volt Positive Ground Wiring Diagram 3 Terminal Regulator")
![[DIAGRAM] Convering From Positive To Negative Ground Problems Wiring](https://www.vintage-motorcycle.com/sites/default/files/styles/colorbox/public/images/products/scan_pic0017.jpg?itok=JaKc1r4J "[DIAGRAM] Convering From Positive To Negative Ground Problems Wiring")
![[DIAGRAM] 6 Volt Positive Ground Regulator Wiring Diagram MYDIAGRAM](https://i.pinimg.com/originals/30/dc/c1/30dcc1dda4ef6e1b90e98189e114aaf9.jpg "[DIAGRAM] 6 Volt Positive Ground Regulator Wiring Diagram MYDIAGRAM")
![[DIAGRAM] 1973 Plymouth Wiring Diagrams](http://www.oldcarmanualproject.com/tOCMP/wiring/5765wiring diagrams/Plymouth/MWire5765-312.jpg "[DIAGRAM] 1973 Plymouth Wiring Diagrams")
![wirasmin [20+] Plymouth Wiring Diagram Quizlet, Diagram Brain](https://bzerob.com/library/wire-diagrams/40ChevyPassenger.jpg "wirasmin [20+] Plymouth Wiring Diagram Quizlet, Diagram Brain")
Wiring schematic for 6 volt, Positive Ground, Pertronix Ignitor ( 1188P6 ) Original wiring is from IGN switch (coil term) to (-) term on 6 volt coil. (+) term on 6 volt coil to distributor, to points, which are grounded on one side. New schematic-. 1946-48 Ford P***enger Cars were 6 Volt Positive Ground. Here's a Wiring Diagram: click thumbnail to enlarge. and Wiring Schematic: click thumbnail to enlarge