[Tigers] Generator Conversion

Jim Buster jbsyv at yahoo.com
Mon Jun 4 23:53:33 MDT 2018 













> On Jun 4, 2018, at 2:05 PM, Joel Martin via Tigers <tigers at autox.team.net> wrote:
> 
> Tym
> 
> I just completed this conversion recently - multi step process if you want to keep the voltage regulator in place even though it will be gutted per Ron Fraziers instructional on one of the tiger websites.
> 
> I used the following parts:
> 1.  Old CAT alternator bracket - one piece - they sell a kit now.  Bill Martin makes a real nice MK II reproduction bracket but pretty pricey.  Also:  The original MK II bracket can be hard to find - Casting #
> C5JZ-10151-B
> 
> CAT sometimes lists a bracket, Reisentz Restoration has an original style
> bracket and a wire conversion kit.
> 2.  Here is the alternator I used - a 100 AMP USA made 1 wire alternator but did not like their pulley and fan but they make a nice black one that  is period correct.
> <image.png>
> 3.  I also bought a nice Jager faced volt meter gauge from Jim jim at island.net that matches existing guages nicely for around $105
>  <mailto:jim at island.net>
> 4.  Ron Fraziers write up on TE/TA covers the dummy up of the voltage regulator and wiring up
>  <mailto:jim at island.net>
> the dummy light pretty well.
> 5.  A new fan belt will be needed.  I used Car Quest 15480 after many tries.
> 
> Hope this helps.
> 
> Joel Martin
> 
> 
> From: "tigers-request at autox.team.net" <tigers-request at autox.team.net>
> To: tigers at autox.team.net 
> Sent: Sunday, June 3, 2018 4:49 PM
> Subject: Tigers Digest, Vol 10, Issue 129
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> Today's Topics:
> 
>   1. Re: 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> <mailto: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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