That's great information in those links. Very helpful.
On Dec 8, 2013 5:18 PM, "Theo Smit" <tsmit@shaw.ca> wrote:
> Hi Owain,
> I Googled 'integrated alternator regulator' and then did an image search,
> looking for parts where the heat sink and mounting hole patterns were
> similar. I then realized that your part had been modified to remove the OEM
> external connector.
>
> If you can get a very close fit between your regulator and the external
> case, and use heat sink compound to further improve the heat transfer, as
> well as the pulley and shield mods, you should be in good shape.
>
> Theo
>
> On 12/8/2013 1:01 PM, Owain Lloyd wrote:
>
> Theo! Fantastic! Many thanks. How did you find that denso part?
>
> The alternator case looks original but is actually 1/4" thick machined
> alloy. If I can mount the denso unit in contact with the inside of the case
> it should be a good heatsink. With a larger pulley and a shield over the
> alternator to keep the exhaust heat off like the etypes have, I might just
> get away with it.
>
> Thanks again
>
> Owain
> On Dec 8, 2013 2:52 PM, "Theo Smit" <tsmit@shaw.ca> wrote:
>
>> Hi Owain,
>> I sent this to the list but it seems to be delayed for some reason...
>>
>>
>> I found your regulator here:
>> http://www.autoleader.cn/proshow.asp?id=903
>> It says
>> Black D-
>> Yellow D+
>> White B+
>> Case DF
>> Red B+
>> Replaces Lucas UCB101 UCB101X UCB107 37582
>>
>> This article
>> http://www.vtr.org/maintain/alternator-repair.shtml
>> has a decent diagram of the original Lucas alternator/regulator wiring as
>> well as instructions on the last page that reference the color codes on the
>> new regulator.
>>
>> It appears that your custom alternator is basically built inside a
>> stock-looking generator case, right?
>> The failed regulator you have is a Denso type like this one:
>> http://store.alternatorparts.com/partnoin220.aspx
>> except that the part where the circular connection is has been cut off
>> and hand-wired out. The F connection would go to one of the brush
>> terminals, and you'd have to check to see how the 'stator' terminal was
>> wired to your custom installation.
>>
>> The regulator isn't really involved in the high current aspects of the
>> alternator but even so, it can run warm, which is why the original Denso
>> part had heat sink fins on it and it was mounted so those fins are in the
>> external air flow. If you're rebuilding this, I would try to get it so that
>> your regulator was mounted to a heat sink with external fins or at least to
>> something that has a good thermal connection to the external case.
>> Otherwise the regulator will likely overheat and fail early.
>>
>> This page shows how the circular Denso connector should be wired to the
>> car's electrical system.
>> http://www.moparts.org/Tech/Archive/elec/34.html
>>
>> Hope this all helps... I don't have a complete wire-for-wire replacement
>> guide for you but this, and the actual alternator on your bench, might be
>> enough to get it going again.
>>
>> Cheers,
>> Theo
>>
>> On 12/7/2013 9:58 PM, Owain Lloyd wrote:
>>
>>> While not strictly tiger related, i have a problem I think the list may
>>> have the expertise to help with. I have an alternator that the internal
>>> regulator has failed on. Replacing the whole alternator is not such an
>>> easy choice as its $1000 (don't ask!) and there is no reason to believe
>>> the
>>> regulator would not fail again.
>>>
>>> The regulator used inside has 4 wires. One to the live wire, one to the
>>> charge light and two to the diode bridge. I happen to have a four wire
>>> Lucas regulator here that I'm hoping to use as a replacement but I don't
>>> really know how it should be wired up. The link below shows a pic of the
>>> Lucas regulator and more of the old regulator and the wiring in the
>>> alternator.
>>>
>>> Can anyone explain how it had been wired, and how the (if possible) I
>>> could
>>> use the replacement?
>>>
>>> Many thanks indeed.
>>>
>>> https://www.dropbox.com/sc/v1qrr6i0rnld4og/FgJpXtP1Qb
>>> _______________________________________________
>>>
>>> tigers@autox.team.net
>>>
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