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Re: [TR] Electrical Gremlin

To: Patrick Baize <pbaize@satx.rr.com>, triumphs@autox.team.net
Subject: Re: [TR] Electrical Gremlin
From: TERRY SMITH <terryrs@comcast.net>
Date: Wed, 29 May 2019 22:02:55 -0400 (EDT)
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
Importance: Medium
References: <765C507C-32A2-4A9C-AC29-DD6259DB7F68@gmail.com> <976614161.167610.1559180205648@connect.xfinity.com> <3b8610cc-4636-42c1-7c88-0fbf001c09d0@satx.rr.com>
Hi, Patrick.  On a '3, the tachometer is run by a cable coming off the 
distributor, so not electrical.


> On May 29, 2019 at 9:54 PM Patrick Baize <pbaize@satx.rr.com> wrote:
> 
> 
> I have that gremlin also, Stag will run, and just quit. tried to find 
> it, can't.  I had the original ignition, new coils, points. Pertronix 
> and optical type(don't remember brand)  But a day later, will start 
> right up.   I just wonder, does a Mk1 Stag and TR3 use the same style 
> RPM gauge. The type where the coil wire goes THRU the RPM gauge?  
> Because if you undo the plug to the gauge, the car wont start. I wonder 
> if the gauge is failing?
> 
> Thnx
> 
> Patrick
> 
> 71 Stag
> 
> 
> 5/29/2019 8:36 PM, TERRY SMITH wrote:
> 
> > Alas, I have been a good boy...relatively speaking, of course.  Yet 
> > nonetheless the Prince of Darkness, St. Lucas, has descended to wreak havoc.
> >
> > TR3 engine starts and runs, then flutters and, now, dies.  I've been 
> > through the fuel system completely, short of a magnet in the fuel tank, 
> > which I might try.  Completely disassembled the carbs again today.  Jets 
> > centered, float bowls have no gas in them, float valves perfectly adjusted, 
> > and the puff test shows they stop flow as they should.  Mixture and idle is 
> > right.  Not to mention I tried a complete swap out of these carbs (rebuilt 
> > by Quantum Mechanics some years back).
> >
> > I've tracked wiring through the system.  I thought a partial open (broken 
> > wires) at the lighting switch where it feeds the ignition switch would fix 
> > it.  Didn't.  Replaced the 60 year old ignition switch. Didn't fix it.  
> > Double checked the fuse holder for solid and clean connections.  Not the 
> > issue.  When it does run, the voltmeter (not ammeter) shows just the 12 
> > volts from the battery, and not a charge.  White wire from the fuse to the 
> > coil tests no short to ground, and bypassing it with another connecting 
> > wire doesn't cure the problem either.
> >
> > So question.  When one has done the Pertronix modification (I replaced that 
> > too), the generator control is wired differently.  I've checked connections 
> > there and they're good.  But is there any break-down inside that could 
> > cause a power disruption to the ignition system.
> >
> > Second question, I can't really tell from the wiring diagram whether the 
> > generator or the starter could be stealing power from the ignition system.
> >
> > I'll be back at it tomorrow, but any thoughts?
> >
> > Best,
> > Terry Smith, '59 TR3A  TS 58667
> > New Hampshire
> > ** triumphs@autox.team.net **
> >
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> >
> 
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