Constant Voltage Regulator

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SPECIAL-K
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Constant Voltage Regulator

Post by SPECIAL-K »

I am in need of a constant voltage regulator, voltage reducer, for my gauges for my 1968 Datsun 1600 Roadster. Does anyone know where in the Phoenix area I can find one?

Thx Special-K
unklpat
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Re: Constant Voltage Regulator

Post by unklpat »

There is a cheap and simple fix in the tech wiki. Pat
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Re: Constant Voltage Regulator

Post by DAC21 »

SPECIAL-K wrote: Fri May 26, 2023 11:18 pm I am in need of a constant voltage regulator, voltage reducer, for my gauges for my 1968 Datsun 1600 Roadster. Does anyone know where in the Phoenix area I can find one?

Thx Special-K
Is your regulator missing or just not working? If not working, some have gotten them going again by cleaning up the ground. There should be a small wire under one of the tabs on the back side that hold the case together. That is the ground wire, clean up that contact.
1967 1600 in waiting SPL311-09002 / R-28178
2018 Hyundai Elantra GT Sport Ultimate
iloveredmeat
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Re: Constant Voltage Regulator

Post by iloveredmeat »

unklpat wrote: Sat May 27, 2023 4:18 am There is a cheap and simple fix in the tech wiki. Pat
@unklpat Is this the Tech Wiki article you're referring to ?(see link below)

http://www.311s.org/pmwiki-311/pmwiki.p ... oltRegFix

If so, I notice that the eBay link to buy a Voltage Regulator in @DEVO 's writeup is no longer valid.

Maybe someone can post here specifically what kind of Voltage Regulator is needed and maybe even a new link to buy one.

There's also a paragraph in this article:

http://www.311s.org/pmwiki-311/pmwiki.p ... eshooting

I have no clue about this electrical stuff yet.

Good luck,
pm
Peter
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1967.5 1600 – Second Owner – Under Reconstruction
1970 Honda CT70
1953 Airstream 21' Flying Cloud – Second Owner
SPECIAL-K
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Re: Constant Voltage Regulator

Post by SPECIAL-K »

Thanks everyone, I will try cleaning the ground wire. If that doesn't work, I'll ask a friend of mine to read the wiki article and see if he can do what it says. If that doesn't work, I'll continue trying to find one. Special-K
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Re: Constant Voltage Regulator

Post by Curtis »

66 stroker, almost done.
67 basket case, paint coming soon.
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Re: Constant Voltage Regulator

Post by devo »

iloveredmeat wrote: Sat May 27, 2023 11:01 am
unklpat wrote: Sat May 27, 2023 4:18 am There is a cheap and simple fix in the tech wiki. Pat
@unklpat Is this the Tech Wiki article you're referring to ?(see link below)

http://www.311s.org/pmwiki-311/pmwiki.p ... oltRegFix

If so, I notice that the eBay link to buy a Voltage Regulator in @DEVO 's writeup is no longer valid.

Maybe someone can post here specifically what kind of Voltage Regulator is needed and maybe even a new link to buy one.

There's also a paragraph in this article:

http://www.311s.org/pmwiki-311/pmwiki.p ... eshooting

I have no clue about this electrical stuff yet.

Good luck,
pm
Here you go:

https://www.ebay.com/itm/234788265085?h ... R-CJormMYg
devo
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Re: Constant Voltage Regulator

Post by devo »

SPECIAL-K wrote: Fri May 26, 2023 11:18 pm I am in need of a constant voltage regulator, voltage reducer, for my gauges for my 1968 Datsun 1600 Roadster. Does anyone know where in the Phoenix area I can find one?

Thx Special-K
There is also a Datsun wrecking yard in your neck of the woods in Peoria, AZ. He sells Datsun parts on EBay and has a lot of Roadster stuff. I believe his name is Scott. Here is an EBay link to his EBay storefront:

https://www.ebay.com/sch/i.html?_fss=1& ... icSeller=1
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Re: Constant Voltage Regulator

Post by iloveredmeat »

devo wrote: Sun May 28, 2023 1:19 pm
iloveredmeat wrote: Sat May 27, 2023 11:01 am
unklpat wrote: Sat May 27, 2023 4:18 am There is a cheap and simple fix in the tech wiki. Pat
@unklpat Is this the Tech Wiki article you're referring to ?(see link below)

http://www.311s.org/pmwiki-311/pmwiki.p ... oltRegFix

If so, I notice that the eBay link to buy a Voltage Regulator in @DEVO 's writeup is no longer valid.

Maybe someone can post here specifically what kind of Voltage Regulator is needed and maybe even a new link to buy one.

There's also a paragraph in this article:

http://www.311s.org/pmwiki-311/pmwiki.p ... eshooting

I have no clue about this electrical stuff yet.

Good luck,
pm
Here you go:

https://www.ebay.com/itm/234788265085?h ... R-CJormMYg
Excellent! Thanks Devo.
Peter
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1967.5 1600 – Second Owner – Under Reconstruction
1970 Honda CT70
1953 Airstream 21' Flying Cloud – Second Owner
unklpat
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Re: Constant Voltage Regulator

Post by unklpat »

I just soldered in the IC, and let it dangle. If anyone wants to crawl under my dash, so be it. If it fails, I'm $3.00 away from fixing it. Pat
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Re: Constant Voltage Regulator

Post by Bulldog77 »

I have a 67.5 with original regulator. If you take the cover off you will see the wrapped wire coil and a brass connector/ grommet . This is a very simple Printed Circuit board. I took a stranded wire I had around and soldered it from the grommet to the PC run. That run can handle quite a bit of heat. Re installed and all gauges have worked great for last two years.
I will say I am EE and a tech so this seems easy to me but your results could differ
Kevin
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Re: Constant Voltage Regulator

Post by unklpat »

The problem seems to be the contact with the case on the ground side. The IC solves the problem as long as the ground is maintained. I tried the "keeping it in the case" method, and decided to just let the IC dangle. Pat
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Re: Constant Voltage Regulator

Post by iloveredmeat »

unklpat wrote: Mon May 29, 2023 10:28 pm I just soldered in the IC, and let it dangle. If anyone wants to crawl under my dash, so be it. If it fails, I'm $3.00 away from fixing it. Pat
Bulldog77 wrote: Mon May 29, 2023 10:52 pm I have a 67.5 with original regulator. If you take the cover off you will see the wrapped wire coil and a brass connector/ grommet . This is a very simple Printed Circuit board. I took a stranded wire I had around and soldered it from the grommet to the PC run. That run can handle quite a bit of heat. Re installed and all gauges have worked great for last two years.
I will say I am EE and a tech so this seems easy to me but your results could differ
Kevin
unklpat wrote: Tue May 30, 2023 10:31 am The problem seems to be the contact with the case on the ground side. The IC solves the problem as long as the ground is maintained. I tried the "keeping it in the case" method, and decided to just let the IC dangle. Pat
Thanks Pat and Kevin,

Before I install my interior and dash, I plan on "preemptively repairing" my Voltage Regulator, so I plan on trying a solution like you guys are talking about -- but forgive me, I don't know s* about much, and even less about electrical.

So... "IC" means "Integrated Circuit"? Which is the actual voltage regulator, like this that Devo posted?

https://www.ebay.com/itm/234788265085?m ... media=COPY

Kevin, any chance you have photos?

Thanks.
Peter
Peter
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1967.5 1600 – Second Owner – Under Reconstruction
1970 Honda CT70
1953 Airstream 21' Flying Cloud – Second Owner
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