[Tigers] Generator Conversion

[Gary Winblad]

The beauty of a one-wire alternator is that you don't have to worry 
about all that.
One wire (large) from the alternator to the battery (at the solenoid on 
a Tiger is a good place),
and you are done.  Ok, the light won't work any more, hence the 
recommendation of a voltmeter.
And a fuseable link or fuse in-line perhaps.
It automatically starts (at just a little over idle speed) and regulates.
If you look at most new hot rods or old competition rally cars or 
tractors, it is what everybody uses.
I and most use a GM style case.  It hangs on a CAT club bracket easily 
with only a small spacer.
Gary


On 6/1/2018 9:36 AM, Jay Laifman via Tigers wrote:
> I don't know a specific alternator for Tigers. But, I will add that I 
> put a newer alternator on my Alpine and there is an important wiring 
> feature that I didn't have right for a very long time.  That is, the 
> "L" wire from the alternator needs to go to the dash light - it might 
> be labelled S on some alternators.  Then the other wire on the dash 
> light needs to go to keyed 12V - no ground for the light.  This does 
> two things. First, and least important, it allows the light to work 
> correctly.  Second, and most importantly, it lets power hit and 
> initiate the coils in the alternator so that it's charging immediately 
> (the coils serve as ground for the light until the charging starts, 
> then the 12V at each end of the light turns it off.  If you don't do 
> it this way, the alternator will work - but it would need to drive a 
> bit to get it to self initiate the coils.  I drove for years thinking 
> that the alternator just had something wrong with it, and just lived 
> with it.
>
> With this set up the "Warning Light Simulator" box that the Alpine had 
> is no longer used.  I have no idea if a Tiger has that part.
>
> I'm assuming there would be a similar potential issue for a newer 
> alternator for a Tiger.
>
> On Thu, May 31, 2018 at 4:54 PM, Dr. T. Y. McDowell via Tigers 
> <tigers at autox.team.net <mailto:tigers at autox.team.net>> wrote:
>
>     Tigers,
>
>
>     I'm having issues with the generator on my Mk1A.  It's a three (3)
>     wire.
>
>     Can anyone recommend an alternator and include how many wires?
>
>
>     Thanks in advance,
>
>
>     Tym McDowell
>
>
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