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Old 08-03-2011, 05:06 PM
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Help with 52 chrysler please.

I have a 52 NewYorker with a 331 Hemi that has a charging issue. I used to know this, long ago before father time stripped of my wits. The charging rate is very low, and I used to know how to quickly jump the regulator out of the circuit to let the generator run wide open. This would tell me if the regulator is bad. BUT...I forgot how to jump it.
It is a positive ground 6 volt system, and I THINK I used to run a wire from the battery + to the field term of the generator. Does that sound right? I'm giving myself a headache trying to remember this.

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Old 08-05-2011, 12:33 PM
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No old school electrical gurus left around here?



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Old 08-05-2011, 01:58 PM
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Run a jumper wire from the F (field) terminal to ground.
This puts the generator into full field mod. Check the ammeter to see if it goes to full charge. The engine speed will need to be increased to get full charge.
There are many other things that can cause poor charging.

vicrod
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Old 08-05-2011, 02:05 PM
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Quote:
Originally Posted by vicrod
Run a jumper wire from the F (field) terminal to ground.
This puts the generator into full field mod. Check the ammeter to see if it goes to full charge. The engine speed will need to be increased to get full charge.
There are many other things that can cause poor charging.

vicrod
Yeah, I'm aware of all the ohter things. I just didn't remember which terminal to jump. Thanx much!!

P.S. do I remove the regulator wire before jumping or leave everything connected?

Last edited by Greg T; 08-05-2011 at 02:12 PM.
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Old 08-05-2011, 02:24 PM
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The regulator wire can be connected.
When you jumper across the regulator you are shunting the generator field control resistors.

vicrod
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Old 08-05-2011, 03:05 PM
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Got it. So the regulator is actually regulating field current. By grounding the field terminal of the generator the fields get full battery current and should run wild. I can't believe how much I have forgotten over the years. This used to be childs play for me. Especially these B circuits.
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