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orangebug60guy
Twin #1
Joined: June 28, 2003
Posts: 1516
Location: South Hadley Mass
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 Posted: Tue Nov 14, 2006 7:02 pm Post subject: generator woes |
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so i guess my brother killed the generator because we just replaced it with agenerator we knew nothing about off of an old engine. so we put it in and the red light went out and got maybe 2,000 miles out of it and now its doing the same thing as the old one where the red light is always on. i've changed the regulator and cleaned all the contacts. is it really the generator? I'm getting tired of putting new generators in just to have them die. its a 1600 sp 12v bus. any suggestions. its to the point where i'm ready to take it off the road for winter and do work to it anyways. but i need a car for school because i travel 150 miles a week.
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obus 
Samba Member
Joined: March 08, 2001
Posts: 11070
Location: just off Garden State Parkway Exit 81
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Eric&Barb
Samba Member
Joined: September 19, 2004
Posts: 24764
Location: Olympia Wash Rinse & Repeat
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| Posted: Tue Nov 14, 2006 7:49 pm Post subject: |
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Hi orangebug60guy,
Did you polarize the generator before you put it in?? Have you checked that the gen brushes are longer/taller than the cages they sit in?
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busdaddy
Samba Member
Joined: February 12, 2004
Posts: 51150
Location: Surrey B.C. Canada, but thinking of Ukraine
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| Posted: Tue Nov 14, 2006 8:36 pm Post subject: |
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Is your regulator matched to your generator, as in the correct one for the particular model of generator? There's a few different ones.
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Buckly
Samba Member
Joined: September 14, 2004
Posts: 1030
Location: Spokane, WA
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| Posted: Tue Nov 14, 2006 9:06 pm Post subject: |
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What about testing it. See if its producing voltage and amperage. if its working Its the wiring. So test it at the battery. if it tests good there then its the wiring to the warning light.
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orangebug60guy
Twin #1
Joined: June 28, 2003
Posts: 1516
Location: South Hadley Mass
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| Posted: Tue Nov 14, 2006 9:26 pm Post subject: |
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its bosh regulator and gen, i haven't checked the voltage, or the brushes. does autozone sell brushes.
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bill may
Samba Member
Joined: August 27, 2003
Posts: 14160
Location: san diego,ca
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| Posted: Wed Nov 15, 2006 4:55 am Post subject: |
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| orangebug60guy wrote: |
| its bosh regulator and gen, |
just because generator and regulator are both Bosch does not mean they are compatible,there are different regulators for bus and beetle. post info stamped on gen and reg to see if you have a correct match up. i get my brushes from a vw parts place. make sure you get 6v if 6 v and 12 v if 12 v brushes.
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Clara
Samba Member
Joined: June 14, 2003
Posts: 12400
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| Posted: Wed Nov 15, 2006 6:42 am Post subject: |
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| bill may wrote: |
| orangebug60guy wrote: |
| its bosh regulator and gen, |
i get my brushes from a vw parts place. make sure you get 6v if 6 v and 12 v if 12 v brushes. |
unless you have the big diameter 6V generator which uses the '12V' brushes
does the light stay on all the time?
or does it come on at idle?
come on w/ revs?
random? |
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bill may
Samba Member
Joined: August 27, 2003
Posts: 14160
Location: san diego,ca
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orangebug60guy
Twin #1
Joined: June 28, 2003
Posts: 1516
Location: South Hadley Mass
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| Posted: Wed Nov 15, 2006 4:05 pm Post subject: |
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I'll get thoe numbers tomorrow. i really need to fix this problem without having to buy a whole new generator.
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turbo_g
Father of Samba Cookie Lover
Joined: October 30, 2002
Posts: 717
Location: Laguna Hills, Ca
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| Posted: Wed Nov 15, 2006 7:45 pm Post subject: |
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To echo the sentiments of one of our club elders, "all this talk and you have not used a voltmeter yet?"
When I had this problem, I used my trusty voltmeter to find that my regulator had gone bad (to the tune of my gen putting out copious amounts of voltage).
New $36 solid state Bosch regulator and BINGO, no more red light and only 14V going to the battery terminals.
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Buckly
Samba Member
Joined: September 14, 2004
Posts: 1030
Location: Spokane, WA
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| Posted: Thu Nov 16, 2006 8:29 pm Post subject: |
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I must agree. If you need some coaching on where and how to test the system Im sure we would all be happy to point you in the right direction. I think a cheap digital multi meter is one of the handiest things a VW owner can have. Even better a really good one. Don't just start throwing parts at it without testing.
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Clara
Samba Member
Joined: June 14, 2003
Posts: 12400
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| Posted: Thu Nov 16, 2006 11:13 pm Post subject: |
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| Buckly wrote: |
| Don't just start throwing parts at it without testing. |
I must agree too. |
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BUS_AV8TOR
Samba Member
Joined: May 21, 2005
Posts: 177
Location: Kansas
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| Posted: Thu Nov 16, 2006 11:33 pm Post subject: |
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I work at a magneto shot and we work on a few generators. I agree with the others check the regulater and the brushes. Brushes are the most common i see wrong with generators or altnators. also check the posts coming out of the top of the generator, these tend to twist the wire on the inside off,thus breaking the connection to the field coils
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