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| Is this a Alternator or Generator? https://www.ausmini.com/forums/viewtopic.php?f=2&t=51768 |
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| Author: | Brad's 68 [ Thu Apr 02, 2009 1:25 pm ] |
| Post subject: | Is this a Alternator or Generator? |
Hi, My ignition light has been constantly on while driving and the battery finally run out of charge, I assume that the alternator has gone, but while looking at the parts I’m not sure if it is and Alternator or Generator? 
Which one do I need? 
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| Author: | Tombo [ Thu Apr 02, 2009 1:27 pm ] |
| Post subject: | |
Jenny Could be a voltage reg problem. |
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| Author: | Matt68 [ Thu Apr 02, 2009 1:27 pm ] |
| Post subject: | |
That is a generator Now is the perfect time to think about upgrading to an alternator! Cheers M |
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| Author: | sports850 [ Thu Apr 02, 2009 1:27 pm ] |
| Post subject: | |
That's a generator , your battery will most likely be wired in with positive earth (unless the voltage regulator has had it's polarity changed ) so will need some modifications if you intend to fit an alternator . Personal preference and the amount of accesories will decide what you do , big stereo would be better with an alternator but I like generators in my mini's for looks and simplicity . |
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| Author: | ryan [ Thu Apr 02, 2009 1:29 pm ] |
| Post subject: | |
That, as above is a Generator. You may just need to get it reconditioned. Is your car neg- or pos+ earth? Ryan |
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| Author: | Brad's 68 [ Thu Apr 02, 2009 1:33 pm ] |
| Post subject: | |
How can i tell if its Neg- or +pos earth? |
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| Author: | sports850 [ Thu Apr 02, 2009 1:34 pm ] |
| Post subject: | |
Look at the battery , which terminal (will be marked with a + or - on the battery) goes to the short cable attached to the body and which one goes to the long cable that runs through the floor and up to the engine bay ? |
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| Author: | Brad's 68 [ Thu Apr 02, 2009 1:57 pm ] |
| Post subject: | |
Its Neg - Earth, will an alternator bolt straight in? Or best to stay with the generator? |
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| Author: | drmini in aust [ Thu Apr 02, 2009 2:18 pm ] |
| Post subject: | |
Alternator will bolt in if you change the rear bracket. You will need to do some rewiring around the old voltage regulator area. A modern alternator has a regulator inbuilt. Nothing wrong with generators though, usually it's just worn brushes, or dirty points in the regulator. |
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| Author: | Brad's 68 [ Thu Apr 02, 2009 2:31 pm ] |
| Post subject: | |
Thanks, I'll have ago at putting in an alternator on the weekend, as i'm looking to fit a stereo soon too. Cheers, Brad |
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| Author: | Leighton [ Thu Apr 02, 2009 8:59 pm ] |
| Post subject: | |
if your intending to put a stereo in make sure you get a 65 amp alternator. as the originals were only designed for a radio with 1 speaker and not much else. the 65 amp will leave room for halogen lights, eletronic dizzy etc. Convertible Mini on here sells them. |
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| Author: | roleyfoley [ Fri Apr 03, 2009 10:18 am ] |
| Post subject: | |
you will need to change the regulator around a bit This link has the instructions on what you have to rewire http://www.minimania.com/web/SCatagory/ELECTRICAL/DisplayType/Technical%20Information/DisplayID/28/ArticleV.cfm |
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| Author: | Thor56 [ Sun May 24, 2009 6:41 pm ] |
| Post subject: | |
sports850 wrote: That's a generator , your battery will most likely be wired in with positive earth (unless the voltage regulator has had it's polarity changed ) so will need some modifications if you intend to fit an alternator . Personal preference and the amount of accesories will decide what you do , big stereo would be better with an alternator but I like generators in my mini's for looks and simplicity .
sorry to reopen an old thread but sports is there any way of knowing if the polarity has been changed and is/was this a common thing to do (change the polarity of the regulator) Dane |
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| Author: | aaron [ Sun May 24, 2009 6:46 pm ] |
| Post subject: | |
look at the battery, what is connected to the body. that will tell you what polarity it is. |
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| Author: | drmini in aust [ Sun May 24, 2009 7:00 pm ] |
| Post subject: | |
Leighton wrote: if your intending to put a stereo in make sure you get a 65 amp alternator.
as the originals were only designed for a radio with 1 speaker and not much else. the 65 amp will leave room for halogen lights, electronic dizzy etc. Convertible Mini on here sells them. Even a standard Clubby 16ACR alternator puts out 34A, this is 12A more than that generator ever did. I have halogens, electronic dizzy, stereo, etc. No problemo with stock 16ACR alternator. I reckon a decent size battery (500CCA+) is more important than a BIG alternator, unless your stereo consumes KW- in which case you want both. 
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