Hi Terry,
Try a very easy test, open the fuel filler cap and try again. If that
doesn't tell you something, disconnect the fuel line at the carbs and see if
you get a good strong flow from the fuel pump. I once had a tank that was
some clogged at the outlet only a small amount of gas could get by, not
enough to keep the car running.
Just some thoughts,
Bob
-----Original Message-----
From: Triumphs [mailto:triumphs-bounces@autox.team.net] On Behalf Of TERRY
SMITH
Sent: Wednesday, May 29, 2019 6:41 PM
To: triumphs@autox.team.net
Subject: Re: [TR] Electrical Gremlin
Oh, and replaced the fuel pump and all fuel filters.
> On May 29, 2019 at 9:36 PM TERRY SMITH <terryrs@comcast.net> 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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