If theres no voltage on the coils low output (to distributor) terminal: 1) Points closed or shorted or a wire to them or inside dist is shorted,,,,,,,,,,,,,,,,2) Condensor or its wire is shorted,,,,,,,,,,,,,,3) Coils LV Primary is bad/open.
NOTE points are usually closed, so normally there should be no voltage on coils LV output to dist terminal
Unhook the wire to dist and see if theres pass thru voltage on it then with IGN on and voltage on the other high input terminal??????????????? If so but NOT if wire to dist is re attached, again points closed or shorted or condenser or wires are shorted.
Put an ohm meter on coils LV primary + and - terminals, it should read 1 to 3 ohms. If open circuit coil is bad.
Put a test lamp on coils low output to dist terminal and crank engine over. It should flash ON (when points open) but OFF (when points closed)
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