RELAY WIRING DIAGRAM POSITIVE GROUND

positive ground | Antique Tractors Forum
Yes, your 1946 John Deere A has a positive ground. Take a look at the diagram below. So does that mean the pos. cable off the battery go to ground and the neg. go to the starter? Yes, note the ground cable (Key 12) is connected to the positive (+) terminal on the battery and the negative cable (Key 1) goes to the starting motor.