Rocky_LC

Why not cap it, it have nice thread ready for that

Issue resolved. I removed the old ballast resistor since it read 0 ohms and noticed immediately that the coil wire was rusted and broke. As a temporary test, I rewrapped the ceramic rod with the same gauge wire. Reinstalled the ballast resistor...

Absolutely CruiserMatt is right. The engine runs when it’s in the start position (cranking) because the coil is getting voltage from a slightly different circuit. When the key (ignition switch) is moved to the run position, the coil is fed...

The '73 is a unicorn model year. It would seem there are a number of changes that Toyota introduced in this model year which only latest for one model year or less. I have collect this information from the forum, experience and from other...