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)Â 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?Â
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
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