If its a Class A system, grounding the Gennys FLD post makes it max charge. If its a Class B System, full voltage (NOT ground) on the Gennys FLD makes it max charge. The Class A Field windings terminate out the FLD post where the degree of ground regulates charge rate while on the Class B voltage is applied to the FLD post end and it then terminates at case/frame ground.
I know some Autolite and Prestolite were Class B but I have no idea which you have BUT YOU REALLY NEED TO DETERMINE THAT before you fry something !!!!!!!!!
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Today's Featured Article - Pitfalls of Tractor Engine Rebuilds - by Chris Pratt. The first pop after you have put the machine together with your own hands is exciting and pleasing. The whole experience can be marred if one moves too fast and makes too many assumptions that they can just use "as is" some parts they should be closely scrutinizing and possibly attended to. In such cases, rework makes what could have been a fun project turn into an irritant or even a nightmare. Minor Irritants To give you an example of an minor but irritating proble
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