CHECK SPARK OUT OF THE COIL AND DO NOT USE the factory coil wire. This is because "most" wires are still resistive wires and can fail internally. "Rig" a spark gap (like a plug) and you can use low voltage wire if you "dangle" it away from ground points.
TURN KEY to "run." Check voltage at coil+ It should be quite below battery voltage, perhaps 6-8 V and certainly not less than about 5 or 6 and certainly no more than say, 10. THIS TEST shows that the coil is getting power through the ballast resistor AND THAT the ECU is causing it to draw current
WITH THE key still in "run" pull the dist trigger wire apart and take the engine harness end of the connector. Repeatedly ground the bare terminal of the connector. Each time should produce one "SNAP" blue hot spark at your coil test gap