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noexit Samba Member
Joined: September 18, 2006 Posts: 329 Location: Tacoma, WA
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Posted: Tue Feb 03, 2009 3:52 pm Post subject: Motorola External Voltage Regulator |
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I have a 1974 Super Beetle with a Motorola alternator and voltage regulator. I can't find anyone that has this regulator. Does anyone know where I can find one, or have suggestions as to what I can use as a replacement? _________________ Rusty '62 L360 seeblau, L289 blauweiß Type 1 Karmann Ghia |
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Frizzy Samba Member
Joined: October 02, 2007 Posts: 94 Location: Idaho
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Posted: Tue Feb 03, 2009 5:28 pm Post subject: |
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I had the same alternator on my 74. I found one at checkers but didn't buy it so I'm not sure what the quality was. I ended up doing a bosch internal regulator alternator instead and have been very happy with it. _________________ Previous VW's
1971 SuperBeetle Autostick
1973 Beetle
1974 Beetle
Present VW's
1971 Squareback |
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miller0358 Samba Member
Joined: November 07, 2007 Posts: 1200 Location: northford,ct
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Posted: Tue Feb 03, 2009 6:29 pm Post subject: voltage regulator |
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Found one at parts america for 23.00. Jeff |
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rdwood Samba Member
Joined: January 24, 2006 Posts: 176
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Posted: Wed Feb 04, 2009 3:31 pm Post subject: |
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Is there anyway to check the condition of the regulator with an ohmmeter? |
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glutamodo The Android
Joined: July 13, 2004 Posts: 26320 Location: Douglas, WY
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Posted: Wed Feb 04, 2009 5:13 pm Post subject: |
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Sorry, no on the ohmmeter, it's an electronic device, so you can only test it by operating it along with the alternator. |
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keifernet Samba Search & Rescue
Joined: May 11, 2002 Posts: 19395 Location: Samba Center for Behavioral Science
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noexit Samba Member
Joined: September 18, 2006 Posts: 329 Location: Tacoma, WA
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Posted: Tue Feb 10, 2009 11:18 pm Post subject: |
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The one in that thread is an internally regulated alt. My regulator is under the seat. _________________ Rusty '62 L360 seeblau, L289 blauweiß Type 1 Karmann Ghia |
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glutamodo The Android
Joined: July 13, 2004 Posts: 26320 Location: Douglas, WY
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Posted: Wed Feb 11, 2009 3:23 am Post subject: |
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Most people don't even bother and buy a whole new alternator with the regulator built in.
I think the VW parts/repair shop I used to work for might still have an external voltage regulator for the Motorola style alternator. That's the one with the 4-terminal plug coming off of it right? As mentioned above you might be able to source an aftermarket one at national parts stores too.
-Andy |
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Wayne S. Johnson Samba Member
Joined: April 12, 2006 Posts: 1265 Location: GILROY, CA
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keifernet Samba Search & Rescue
Joined: May 11, 2002 Posts: 19395 Location: Samba Center for Behavioral Science
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Posted: Sat Feb 14, 2009 9:09 pm Post subject: |
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noexit wrote: |
The one in that thread is an internally regulated alt. My regulator is under the seat. |
Sorry the way I read your initial post I thought you were talking about the other Motorola with the white external on the Alt itself.
If you can find one new like Jeff did then that's a cheap price!
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miller0358
PostPosted: Tue Feb 03, 2009 7:29 pm Post subject: voltage regulator
Found one at parts america for 23.00. Jeff |
Otherwise there are few in the classifieds on here from time to time.
Original Motorola!
http://www.thesamba.com/vw/classifieds/detail.php?id=726513
The black one in this pic/ad is the kind of "generic" brand you can find through some FLAPS like Jeff did.
http://www.thesamba.com/vw/classifieds/detail.php?id=305017 |
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mnussbau Samba Member
Joined: August 26, 2006 Posts: 4589 Location: Central Maryland
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noexit Samba Member
Joined: September 18, 2006 Posts: 329 Location: Tacoma, WA
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Posted: Sat Mar 07, 2009 5:29 pm Post subject: |
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I ordered a regulator from my local shop. When he was doing the parts search, he even showed me the connector, which was the correct 4 prong connector that's in my car. But when it arrived, it was the same size and shape as the Motorola in my car, but it was a three prong connector. They figured it was in the wrong box, so they sent it back, and then next one that was sent to them was a Bosch with the same three prong connector, but with an adapter to the same 4 prong connector as in my car, but it was missing the blue wire. Looking at the diagram for the 74 beetle though, I'm confused where this wire goes. Does the blue wire just terminate? It looks like the idiot light is blue, but coming off of the red D+ terminal. So maybe I don't need the blue wire on the regulator?
As a side question, how does the idiot light work? _________________ Rusty '62 L360 seeblau, L289 blauweiß Type 1 Karmann Ghia |
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