OT: Type1 Bus Alt Q's |
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OT: Type1 Bus Alt Q's |
Ferg |
Jan 5 2012, 03:18 PM
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#1
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914 Guru Group: Members Posts: 5,948 Joined: 8-January 03 From: Boulder CO Member No.: 116 Region Association: None |
Helping a buddy, who is helping his boss out via phone (IMG:style_emoticons/default/blink.gif)
Type1 in a Split window has a few issues. In this pic, No current into battery when running. 12vdc at yellow/red terminal on top of alternator when running. Is there a external reg on these? Issue 2 is 1amp draw coming from battery with key off and out of ignition, traced to 8ga wire going to Starter. Bus is air bagged and he has no lift or ramps at the moment, if starter solenoid is going bad will it start to draw juice on its own? I suspect he may find other things powered there, once he gets a look at the starter... |
glens67 |
Jan 5 2012, 03:21 PM
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#2
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Newbie Group: Members Posts: 35 Joined: 13-March 10 From: Middleton, ID Member No.: 11,462 Region Association: Rocky Mountains |
Go here Some one will answer quick
http://www.thesamba.com/vw/forum/index.php |
nathansnathan |
Jan 5 2012, 03:36 PM
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#3
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Senior Member Group: Members Posts: 1,052 Joined: 31-May 10 From: Laguna Beach, CA Member No.: 11,782 Region Association: None |
Only the 67 model year split had 12v; 66 and before were 6v systems, so if that one is 12, unless it's a 67 it would not be stock. Also, I think buses had generaters, not alternators until the type 4 engine in 72 - could be wrong about that.
The stock systems all had external regulators, but since that is probably an aftermarket unit, it's hard to say. |
Ferg |
Jan 5 2012, 03:41 PM
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#4
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914 Guru Group: Members Posts: 5,948 Joined: 8-January 03 From: Boulder CO Member No.: 116 Region Association: None |
Only the 67 model year split had 12v; 66 and before were 6v systems, so if that one is 12, unless it's a 67 it would not be stock. Also, I think buses had generaters, not alternators until the type 4 engine in 72 - could be wrong about that. The stock systems all had external regulators, but since that is probably an aftermarket unit, it's hard to say. this thing is far from stock... Air bagged, show van, big stereo ect, It's 12v. Motor is oversized, I don't know the size. Where is the ext regulator usually located? |
nathansnathan |
Jan 5 2012, 04:20 PM
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#5
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Senior Member Group: Members Posts: 1,052 Joined: 31-May 10 From: Laguna Beach, CA Member No.: 11,782 Region Association: None |
The regulator is usually on the firewall, it acts as a heat sink apparently. A modern alternator, though, it may be inside.
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mrbubblehead |
Jan 5 2012, 05:03 PM
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#6
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Twodollardoug Group: Members Posts: 1,155 Joined: 17-December 10 From: calimesa ca. Member No.: 12,492 Region Association: Southern California |
that alternator is internally regulated. the regulator has gone out, and now the alternator is acting like a motor. thats where the draw is coming from...
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Cap'n Krusty |
Jan 5 2012, 05:48 PM
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#7
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Cap'n Krusty Group: Members Posts: 10,794 Joined: 24-June 04 From: Santa Maria, CA Member No.: 2,246 Region Association: Central California |
Must be the chrome ..............................
Other than that, the previous post is likely spot on. The Cap'n |
904svo |
Jan 5 2012, 07:52 PM
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#8
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904SVO Group: Members Posts: 1,124 Joined: 17-November 05 From: Woodstock,Georgia Member No.: 5,146 |
Those alternators have a build in regulator, to make it work you must wire the
terminal (male terminal) behind the battery lead, to the generator lamp for 12 volts, this is for the exciter field to get the alternator to work when the engine is running. Check out this site http://www.vw-resource.com/alternator_replacement.html |
aircooledtechguy |
Jan 5 2012, 09:05 PM
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#9
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The Aircooledtech Guy Group: Members Posts: 1,966 Joined: 8-November 08 From: Anacortes, WA Member No.: 9,730 Region Association: Pacific Northwest |
Must be the chrome .............................. Other than that, the previous post is likely spot on. The Cap'n Since the alternator is polished, I would highly doubt that it is an original Bosch. That one was likely made in China. (IMG:style_emoticons/default/dry.gif) When you replace it, get a Bosch AL-82N; they come with a lifetime warranty from Bosch. Not cheap for the real deal, but worth the investment ('cause you'll likely never need a replacement). |
Mark Henry |
Jan 5 2012, 09:19 PM
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#10
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
Mr.bubblehead and 904svo are correct, and in about a year or so will aircooletechguy. They are hit or miss, I have one guy that has 3 years on his (summer DD) but I only got one season (6 months) out of one in my '67 bus.
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Ferg |
Jan 5 2012, 10:23 PM
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#11
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914 Guru Group: Members Posts: 5,948 Joined: 8-January 03 From: Boulder CO Member No.: 116 Region Association: None |
thanks guys, I just got back from working on it...
It's kaput, could not pull it out tonight, owner hopes to make it about 25 miles tomorrow it needs to go to a rod shop because one of the fittings for the air bag suspension is leaking (not sure where) and when fully down tires actually hit tops of wheel wells (IMG:style_emoticons/default/blink.gif) New Alt will be sourced tomorrow and likely be put in by me and my buddy on Sunday, then it's off to a trade show in Vegas for the owners business. Attached thumbnail(s) |
zambezi |
Jan 5 2012, 11:07 PM
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#12
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Senior Member Group: Members Posts: 711 Joined: 14-April 08 From: Lafayette, LA Member No.: 8,920 Region Association: South East States |
Interesting that with all that chrome and trim they deleted the main large iconic VW emblem from the nose. I think it looks naked without it. Nice 23 window reguardless.
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Ferg |
Jan 6 2012, 09:04 AM
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#13
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914 Guru Group: Members Posts: 5,948 Joined: 8-January 03 From: Boulder CO Member No.: 116 Region Association: None |
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