[TR] '3 ignition update... revisited
tr3driver at ca.rr.com
Sat Jul 14 22:34:04 MDT 2018
I still don't see anything wrong.
But electrons are invisible, so often you cannot see an electronic problem. The various tools have to serve as your eyes.
Just to restate the obvious, when the points are closed, they should shirt the coil terminal to ground. That isn't happening. So you need to follow the path, testing at each available point, to find where it isn't happening.
What do you get when you measure from the point spring to ground? (Key on, points closed.)
If the spring is 12v, then the problem is between it and ground. So the next place I would check is the stationary point plate.
But if the spring is 0v, then the problem is in the wiring from it to the coil. Next step would be to check at the connector on the side if the distributor.
On 14 July 2018 19:55:54 GMT-05:00, David Templeton <davidt at opentext.com> wrote:
>Ok, back from an all week conference and went to triple check “stuff”.
>In 20180714_124203.jpg I have the points open, in fact I put a piece of
>cardboard in them to make sure, and still get 12v between the low end
>of coil and the ground. Points closed, 12v.
>So I pulled the backing plate out and took pictures ( amazing shots
>phone camera can take these days ). Is there something I am missing?
>Other photos, since too large to email:
>I am feeling very stupid at the moment 😊
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