Re: 2N charging system (again!)

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Posted by Tim Daley(MI) on October 10, 2017 at 15:29:17 [URL] [DELETE] :

In Reply to: Re: 2N charging system (again!) posted by Steve Frysinger on October 10, 2017 at 09:50:16:

You generator isnít charging because of other issues like belt not tight, battery wonít sustain a charge, generator does not have a tensioning device installed to name the obvious. Get the battery checked first and replaced if it wonít hold a charge. It doesnít cost anything and many auto-part franchises can check it too. Start with the basics. The generator is mounted with a single bolt. That bolt will not hold it in place alone and will loosen itself up in use. That is why you need the tensioning bracket. Iím guessing you donít have one and is part of non-charging issue.

Here is a picture of the original Induction/Loop Style AMMETER and an aftermarket style with the two screw terminals. The LOOP style has metal loop attached to the back. A single wire, original was a large yellow wire, feeds from the center post on the resistor terminal block to the cutout. Got an I&T F-04 Manual? It has the wiring diagrams as do the Service Manuals. The aftermarket style has two screw terminals and that yellow wire is cut with one end on one side and the other on the opposite screw terminal. There is no polarity, however if the ammeter reads backwards, that is, a negative needle reading when charging, simply reverse the wires.

Do the basic simple stuff first -battery checked under load by a good place like a starter shop and specific gravity. Verify wiring is correct with no frazzles or shorts. Belt tension - very important -1/2" max play. Set genny 3rd brush screw to LOW.

ORIGINAL LOOP AMMETER, LEFT, AND AFTERMARKET SCREW TERMINAL , RIGHT:

GAUGES, BACK VIEW:

1943 FORD 2N SERVICE MANUAL ELECTRICAL:

FORD CUTOUT:


To polarize generator: Jumper a 12GA wire from ARM contact to BAT contact, battery connected but engine OFF.

Tim Daley(MI)


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