Altenator

galaxie065 · Posted: Sun Sep 05, 2010 7:03 pm Post subject: Altenator

I just installed an altenator of 65 which I am converting to 12 v. It looks like this altenator has an internal voltage regulator. It has 4 connection. my question is does anyone has a wiring diagram for this type of altenator?

microbus · Posted: Sun Sep 05, 2010 7:19 pm Post subject:

An internally regulated usaully has 2 connections, 8mm screw is battery/push on connector is dash bulb!
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glutamodo · Posted: Mon Sep 06, 2010 2:37 am Post subject:

Yeah, if you have a 3-terminal plug plus a separage 8mm stud, then you have an externally regulated alternator. Does it look something like one of these?

Image may have been reduced in size. Click image to view fullscreen.

VDubTech · Posted: Mon Sep 06, 2010 4:34 am Post subject:

And BTW....alternator has 2 r's in it.
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galaxie065 · Posted: Mon Sep 06, 2010 10:56 am Post subject:

bill may · Posted: Mon Sep 06, 2010 11:48 am Post subject: Re: Altenator

Glenn · Posted: Mon Sep 06, 2010 12:09 pm Post subject: Re: Altenator

oldvolkz · Posted: Mon Jan 24, 2011 10:17 pm Post subject:

i found this at Autozone, not sure if it will work....
for the Motorola Alternator AL78

http://www.autozone.com/autozone/parts/Duralast-Vo...=3004_0_0_
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Slow Steve · Posted: Mon Jan 24, 2011 10:49 pm Post subject:

I have done this same alternator/reg combo twice now. It needs an external regulator. Autozone has them for $29.99, just ask for a regulator. Part #VR650. It's the same 12v reg for alternator for any bug 68 and up, I even think it's the same for bay buses.

Here is how you wire it:

Just cut the plug off the end of the regulator and wire it to the alternator(starting from right) red, brown, green to the corresponding colors on the reg. And DONE!
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bill may · Posted: Tue Jan 25, 2011 6:56 am Post subject:

thanks for showing part number and hook up for this alternator. most now adays are the 2 wire internal regulator.
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Slow Steve · Posted: Tue Jan 25, 2011 7:26 am Post subject:

dbelkhart · Samba Member Joined: January 01, 2005 Posts: 243

Just wanted to double check before I do this. I also have a rebuilt 1600 dp that I have installed in a 67'. Wired up most of everything except for the alternator. The engine came out of one of my 74'. The alternator/Generator looks like the one in the pics in this post. How can you tell if you have an interal/external regulator? Pleaase confirm If I need the part number mentioned in this post and where should I mount the regulator? Also according to the wie drawing in this post can I bypass the starter solenoid and go direct to the battery?

Thanks for the replies.
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Banging on all four cylinders....

glutamodo · Posted: Sun May 01, 2011 8:54 pm Post subject:

Internally regulated alternator have two connections on top - one push-on and one bolt-on. Externally regulated alternators have 4 connections, one bolt-on and three push-on terminals in a "U" shape for a for a round plug to fit onto. More examples:
-Andy

dbelkhart · Samba Member Joined: January 01, 2005 Posts: 243

Yep, looks to be the last external one. I seen the wiring diagram that was drawn up. The auto zone regulator will work fine?
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Banging on all four cylinders....

dbelkhart · Samba Member Joined: January 01, 2005 Posts: 243

If I have the external regulator from a 74' can I use that instead of the aftermarket one from Autozone?
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Banging on all four cylinders....

glutamodo · Posted: Mon May 02, 2011 8:00 am Post subject:

What brand is this 74 regulator - Motorola or Bosch?

dbelkhart · Samba Member Joined: January 01, 2005 Posts: 243

It is a motorola and I believe it is the one that was used with the engine I have installed now when it was in my 74.
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Banging on all four cylinders....

glutamodo · Posted: Mon May 02, 2011 5:37 pm Post subject:

Use it!

dbelkhart · Samba Member Joined: January 01, 2005 Posts: 243

Will do and thanks.
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Banging on all four cylinders....


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