post on battery cables

From the factory , + chassis. Check the coil if the pos post is to the points and neg post to the ignition switch. Odds are sombody has mixed the connections up.
 
They were all Positive ground when new.But that tractor is a minimum of 58 years old....Odds that someone has cxhanged it are pretty good.Does it still have the bat cables on it?Simply lineup the clamp to the post.It can only fit one way...
 
They were all Positive ground when new.But that tractor is a minimum of 58 years old....Odds that someone has cxhanged it are pretty good.Does it still have the bat cables on it?Simply lineup the clamp to the post.It can only fit one way...
 
You can tell if you have it hooked up correctly by turning on the lights if they work. If the needle moves left on the ammeter, you have it hooked up correctly.

In reality, it doesn't matter which way you hook it up.

The starter turns the same way no matter which ground you use, and the generator probably doesn't work anyway.
 
6 volt and generator should be positive ground. 12 volt and alternator(converted) should be negative ground.

But somebody can change any of this, and they do. Farmall owner of two. Dave
 
Starting back to square one it came with pos gnd. BUT after all these yrs who knows what has been changed does it still have the original gen?? Yours could still have the cut-out on top of the gen. IF it has a reg on a bracket below the gen it will have a regulator but still should be pos gnd.
 
mk Can,t believe you saaid that and got by with it on here. That was just my thinking but did,n want to sound like a smart a.. . Really a 58 year old tractor and worring about the polarity of the system. Like you and others said pretty good chance it has been changed more than once in the 50+ years. Makes things a lot simpler to change it to as things are now days with Negative ground.
 
Half the cars and trucks built in 1940 were positive ground.All 6 volt tractors Ive worked on were positive ground.Why cant these wanna be tractor mechanics understand things were different.Most cant even hook up a battery charger or read an ammeter.When I worked as a mechanic in the 50s we had 6 volts, 12 volts,negative and positive ground systems.Ive worked on 24 volt military trucks.
 
cant believe no one mentioned the title "post on battery cables" Get it? battery,post. Just my weird sense of humor. Bill
 
Fellow weirdo- I always put the battery cables on the post.........or hang them on the wall until I need them. ok, you want honesty? sometimes just on the shelf.
 

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