Sorry, I must learn to read soon...
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| Alternator/voltage regulator https://www.slantsix.org/forum/viewtopic.php?t=11776 |
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| Author: | Guest [ Wed Feb 16, 2005 10:00 pm ] |
| Post subject: | Alternator/voltage regulator |
My 1965 dart has the stock alternator and a 1974 voltage regulator installed by PO. Are the Alt and regulator compatible? |
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| Author: | Dennis Weaver [ Thu Feb 17, 2005 7:50 am ] |
| Post subject: | |
The '70-up regulator requires a two field wire alternator. D/W |
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| Author: | rust collector [ Thu Feb 17, 2005 9:24 am ] |
| Post subject: | |
I think you can ground one of the fields, and run the other field to the regulator, but I have not tried it myself, so I am not completely sure... |
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| Author: | rust collector [ Thu Feb 17, 2005 9:25 am ] |
| Post subject: | |
Sorry, I must learn to read soon...
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| Author: | 69a100 [ Tue Feb 22, 2005 12:23 am ] |
| Post subject: | Electrics |
Yes they are. Go over to moparts.com and look in the tech archives, they got some good intell on the subject with link for even more intell. |
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| Author: | Dennis Weaver [ Tue Feb 22, 2005 8:06 am ] |
| Post subject: | Re: Electrics |
Quote: Yes they are. Go over to moparts.com and look in the tech archives, they got some good intell on the subject with link for even more intell.
I still don't think so (could be wrong...). I went, I searched, I read and I didn't come up with any adviso on moparts.com on how to make a newer style electronic VR work with a one field-wire alt. Are you sure you're not confusing converting a two-wire alt to work with an older (pre-'70) regulator? That's as simple as grounding one field terminal at the alternator. If I missed something there, please give the exact quote or link. I'd be interested to know how they did it. D/W |
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| Author: | Johnny Z [ Tue Feb 22, 2005 10:25 am ] |
| Post subject: | |
My question is why did you have a 74 vol reg installed?You can get a 66 and earlier electronic voltage reg if thats what you are going for. JZ |
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| Author: | SlantSixDan [ Tue Feb 22, 2005 12:32 pm ] |
| Post subject: | |
The '70-up electronic regulator cannot be made to work with the '60-'69 single-field alternator. The '70-up two-field alternator can easily be made to work with the '60-'69 regulator, by simply running a wire between one (either) of the alternator's two field terminals and a good ground. The original '60-'69 regulators are electromechanical (with contact points, springs and resistors). They work fine, but after a few decades can require adjustment or even stick. There are plenty of different regulators compatible with the '60-'69 single-field alternators, but the '70-up Mopar regulator is NOT one of them. Regular normal OE-identical electromechanical regulator: NAPA Echlin VR32 Extra heavy duty electromechanical regulator w/vibrationproof mount: NAPA Echlin VR34 Extra heavy duty electromechanical regulator w/vibrationproof mount and convenient external voltage adjustment screw: NAPA Echlin VR35, Standard-Bluestreak VR106 Transistorized regulator with no moving parts (no adjusting screw): Standard-Bluestreak VR101, Wells VR706 (the wells item is very inexpensive; it works but Wells doesn't make my favourite stuff) Waterproof potted IC regulator with no moving parts (no adjusting screw): NAPA Echlin VR1001, Standard-Bluestreak VR-128 |
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| Author: | Dennis Weaver [ Tue Feb 22, 2005 12:43 pm ] |
| Post subject: | |
Quote: The '70-up two-field alternator can easily be made to work with the '60-'69 regulator, by simply running a wire between one (either) of the alternator's two field terminals and a good ground.
An even easier way is to replace the insulative (plastic or phenolic) washer on one of the brushes with a metal one, thereby grounding it. Just be careful to hook the field wire to the other spade!  D/W |
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| Author: | SlantSixDan [ Tue Feb 22, 2005 12:46 pm ] |
| Post subject: | |
DW, that doesn't reliably work. The '72-up alternators in particular have a different (fully enclosed) brush holder design that is not groundable via the brush holder screw. Some of the '70-'71 alternators can be done this way. |
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| Author: | Dennis Weaver [ Tue Feb 22, 2005 12:48 pm ] |
| Post subject: | |
Quote: DW, that doesn't reliably work. The '72-up alternators in particular have a different (fully enclosed) brush holder design that is not groundable via the brush holder screw. Some of the '70-'71 alternators can be done this way.
Well, it's alwez worked for me!!!  D/W |
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| Author: | SlantSixDan [ Tue Feb 22, 2005 12:55 pm ] |
| Post subject: | |
You must either have a mountain of '70-early '71 alternators or...wait, I know, you're using those Mopar alternators that come from another planet!
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| Author: | Rust collector [ Tue Feb 22, 2005 1:17 pm ] |
| Post subject: | |
Those other-planet alts are sooooooo much better than the us built ones... You said the PO installed............ Does it work? If it works, I would say they are compatible. If not, it would be nice to "upgrade" to a 2-field alt, if it broke down somewhere, you have a better chanse to find the later ones I guess. |
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| Author: | Dennis Weaver [ Tue Feb 22, 2005 1:20 pm ] |
| Post subject: | |
Quote: You must either have a mountain of '70-early '71 alternators or...wait, I know, you're using those Mopar alternators that come from another planet!
Could be. Could also be that most of the replacement brush insulators are what you are calling the '70-'71 style. I almost exclusively use squareback alternators...D/W |
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| Author: | Johnny Z [ Tue Feb 22, 2005 2:26 pm ] |
| Post subject: | |
solid state electronic voltage regulator $9.99 jc whitney pt#SH737133U 61-69 chrysler,dodge plymouth I have had this part on my 65 Dart with pertronix and orig single field alt for 2yrs.Works flawless. JZ |
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