OK, I've replaced points, condenser, cap, rotor, wires, and plugs. I am
getting no spark. I have 12 volts going to the condenser, 8 volts going to
the points. When open, the non-charged side of the points is grounded, I
checked with a continuity tester. I have 12 volts to the coil, continuity
through the ballast resistor. It does not fire with the key in the start
position; I don't have an easy way to test the ON position to see if it fires
then. The coil tested fine at the local AutoZone, though I will buy a new
coil tomorrow.
My question is, what triggers the coil to fire? What should I see (be able to
test), and where? Should I show 12 volts between the + and - on the coil, or
only when the points are open, or only when the points are closed? I assume
something changes in the + and/or - leads to the coil, otherwise, what would
trigger it to fire?
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