Yes, John T, I ran your troubleshooting procedure. Twice.
Points open = light on, 12V
Points closed = light off, 0V
I have been checking for spark straight from the coil the whole time. Bypassing the cap and rotor as you recommend.
We had the cap, rotor, and inner cover off. The points are opening and closing as the engine is cranked. There is no spark.
I ran a brand new wire straight from the battery + to the coil. Bypassing the switch. There is no spark.
I ran a brand new wire from the coil to the distributor. There is no spark.
The post on the distributor doesn't seem loose or damaged in any way. It has all the right parts on the inside, and nothing is touching the distributor body.
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