John
First the easy part. You have a bad brake booster. Leaking air
when applying the brake. You can
get a rebuilt one from Ted.
When you say it won't start, is the starter turning and it won't fire or does
the starter not activate. If the
starter will not start turning, it could be the 74 seat belt interlock circuit
if it hasn't already been bypassed.
They required the drivers door being shut, drivers seat belt fastened,
passenger seat belt fasterned if their is a
passenger. Their were pressure sensors in the seats to tell if they were
occupied. Their is an easy bypass if you can do
electrical stuff. There is a box with a buzzer in it near the glove box. There
is a plug with 12 wires going into it. You can unplug it
and jumper pins 11 & 12 in the plug. Or connect the white/red and white/orange
wires from the plug together. This will allow the
starter relay to work without all the other conditions being met.
If this has already been done,The plug in back of the ignition switch could be
going.
Also sounds like your Weber DGV carbs are not set up correctly and might not
have a working choke.
Dean Tetterton
On May 3, 2012, at 10:40 AM, John Summers wrote:
> '74 TR6, Weber DGV carbs, Pertronix electronic ignition, high torque
starter.
> I have learned to use starting fluid sprayed into my air filters to get a
> nearly instant start. Before, on a good day, it could have taken several
> attempts and a lot of grinding to get ignition. Now, after a period of
years
> where I only had to worry about the car starting maybe 6 times before it
would
> leave me stranded the # is down to 2 or 3 starts per trip. I have no idea
> why. Recently I was stalled in a parking lot and put my hand on the back
of
> the starter switch and shook it around and it started. The next occurance
I
> did the same thing for 20 minutes and had to ride a tow truck home - where
> after unloading, the car started right up. Could it be the starter switch?
> Then yesterday a new sound popped up. When I apply the foot brake there is
> the sound of air escaping over top of my feet. The car still stops but
there
> is a noticeable "hardness" to the brake pedal. Something is going on here.
> I've had the car since 1998. My 25th wedding anniversary gift that keeps on
> giving. Or as I like to describe it "my midlife crisis car, only I didn't
> know the car would BE the crisis well into my 60's". I'm starting to
lust
> after used Nissans or Toyota's. Stop me before I do something RATIONAL!!
> John
> Summers
> Jacksonville, Fl.
>
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