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Another generator question

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Steve

05-29-2004 19:15:43

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I have a 41 Z with a generator with only a cutout relay. I try to wire it according to diagram, wire from ammeter to armature, field terminal to cutout, cutout to light switch. The problem is as soon as I connect the armature to the ammeter I have about 20 amp discharge, no other wires connected! I have several other generators including new and all act the same. As I understand it the generator should be grounded externally through the light switch or the lights. Can someone tell me where I am wrong and how to correct it? Just to mention-magneto ignition so no ignition switch. I had a generator with three coil saddle regulater on tractor and working but it does not fit under the hood very well. I have the correct light switch with resister.

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Denny H

05-31-2004 07:40:50

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Re: Another generator question in reply to Steve, 05-29-2004 19:15:43

Your 41 Z has a pos. GRD your batt could be hooked up as a neg GRD I did this once and had same problem.

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Bob

05-30-2004 14:18:41

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Re: Another generator question in reply to Steve, 05-29-2004 19:15:43

What was the source of that wiring diagram... I'd like to see a copy... WHAT WERE THEY THINKING?

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Steve

06-01-2004 17:38:58

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Re: Re: Another generator question in reply to Bob, 05-30-2004 14:18:41

Don't want to bad mouth anyone about the diagram. Just to let you know everything works fine now and thanks for all the input.

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Bob M

05-30-2004 05:36:00

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Re: Another generator question in reply to Steve, 05-29-2004 19:15:43

Steve - your wiring is not right! This is how my '47 UTU is wired up - it works fine:

1 - Gen "F" teminal to the field resistor terminal on the light switch.

2 - Gen "A" to cutout "A".

3 - Cutout "B" to the ammeter.

If the cutout has an F terminal on it (some do...), leave it unconnected.

Once you've got everything connected and the battery hooked up, momentarily jumper the A and B terminals at the cutout to polarize. You should be good to go!

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Steve

05-30-2004 11:29:34

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Re: Re: Another generator question in reply to Bob M, 05-30-2004 05:36:00

thanks for the help. The cut-out on the ammeter side made sense to me but none of my literature showed that, if the cutout is not on that side how would the battery be disconnected. I thought maybe the generator was only grounded through the cutout,and circut only complete if cutout is closed. Thanks again

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G. L. Grumpy

05-29-2004 21:57:38

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Re: Another generator question in reply to Steve, 05-29-2004 19:15:43

Could the gen just need "Polarizing"? Maybe it;s charging OK, just backwards? 20 amps sounds about right for charge.

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Kelvin

05-29-2004 19:22:03

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Re: Another generator question in reply to Steve, 05-29-2004 19:15:43

2 thoughts:

1. Are the wires on the correct terminals of the cutout?

2. (This only works if you can remove the cover)Are the contacts stuck together?

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