Re: early/late alternators, voltage regulators etc.

-------Original Message-------

Date: 8/1/2017 9:06:02 PM

To: 1962to1965mopars

Subject: Re: early/late alternators, voltage regulators etc.

Ha ha , such a dummy. I went and looked through my pile of stuff I removed from engine compartment when I yanked the motor and apparently the car already had the electronic voltage regulator. I couldnt figure out why there were two "control modules" for the electronic ignition. LOL.

But I think I will get a new one as this looks old and tired. What year /type mopar would I ask for at the parts house to get the right unit??.

Neal

On Tue, Aug 1, 2017 at 6:58 PM, neal zimmerman <neal.zimmerman@xxxxxxxxx> wrote:

where do i get the electronic voltage regulator ?

On Tue, Aug 1, 2017 at 6:41 PM, Dave Casey <polara413@xxxxxxxxx> wrote:

None of them are internally regulated. For electronic ignition, you are supposed to run the electronic regulator. The Chrysler electronic regulator uses both field terminals. One field terminal gets switched 12V (blue wire) along with the regulator. The other field terminal goes straight to the regulator (green wire).

The old style regulator only uses the one field terminal (green wire) with the other field terminal connected to ground. It sounds like your alternator was set up to use the old style regulator as the second field terminal has been grounded to the case. You should be able to replace that grounding terminal with one like the other field terminal has and use the electronic regulator.

Also, there were at one time "conversion" regulators available that did electronic voltage regulation using the old style one field wiring. These were sold on the aftermarket; I have no idea how good they were.

Dave Casey

On Tue, Aug 1, 2017 at 8:26 PM, neal zimmerman <neal.zimmerman@xxxxxxxxx> wrote:

Hi all. I need some help. Cuda is approaching fire up time, but I am trying to figure out the alternator. The one the car came with has a 4 by 1 1/2 inch ( or so) rectangular grate on the back with six squares. It has a large stud for the battery wire and a male field prong. It has another field prong spot but it seems to be blocked off with some sort of little plate screwed to it to , I assume, make it unusable. I suspect that this is the late ( post 1970 if I remember correctly) alternator. If so is it internally regulated and doesn't need a voltage regulator elsewhere.? There was a mechanical regulator on the fire wall but I think it was not hooked up. The previous owner had crossed the 340 over to electronic ignition.I am going to use electronic ignition as well, except I bought an all new kit from Rick Ehrenberg for it.

Thanks

Neal

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Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks!

1962 to 1965 Mopar Clubhouse Discussion Guidelines:
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