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Super A wiring diagram

B

BrianLivingstone

Member
Hello . When I received my tractor ther wiring was pretty much all removed so I am in search of a detailed diagram.
I am not electrically inclined but I should be able to follow a drawing .
Tractor is a 1952 Super A with 12 volt conversion
Thanks . Brian
 
This is what I used when rewiring my tractor this spring, I have a Denso-type mini alternator 1wire and a distributor ignition. I haven't used the lights (cut grass in daylight :shock:)

 
To add: my diagram shows a 30A weather-packed (gasketed) ignition relay which I am using. Why: Mainly I didn't totally trust the old push-pull switch any longer to deliver the full amperage. I kept it for the classic look but use it to pull in the coil of the relay. The relay is a Hella brand relay I found on ebay.
 
CR is the relay means "control relay", I have a background in industrial machine controls & ladder logic...so... The round circle -()- is the coil and the -][- is a normally open contact.

I used a "Hella weatherproof relay" that I got from ebay. It seemed like a nicer version & slightly more expensive than "no name" models. You could also search under "waterproof relay" for similar models.
 
I bought a complete wiring harness for my 1949 SA last December. Got it from John Brillman who advertises in Red Power magazine, and probably on the web as well. It fit perfectly and was of first class materials. I ran into one problem with a new 4-position light switch and had to call John 3 times to sort it out. He was patient, and got me up and running. I highly recommend him. You may pay a little more, but you will get all the help you need if you run into trouble and that is worth a lot.
 
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