First, determine whether the problem is internal to the distributor. If the distributor coil is getting 12VDC (or close) from the ignition switch, and you get no spark - it's an internal issue. IOW - the problem is within the distributor as opposed to an external power supply issue.
A simple, decisive check for power supply into the distributor is to measure the voltage available at the pink wire (I think it's pink - I have color vision issues). To do this, you will need a multimeter.
Remove the plug with the white/pink leads from the distributor cap. Turn your ignition key/switch to the RUN position. Set the meter to DC voltage and (with the red probe to the pink lead and the black to a good clean ground point) check for at least 10.5 VDC. See the image and disregard what I have in my hand:
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If you have less than 10.5 volts, the distributor cannot develop the 40,000 volts required to supply the spark plugs properly.
I have a feeling you will find sufficient voltage coming in. If so come back - someone will step you through the distributor diagnostic procedure.
BTW - the white wire is an output. It just provides an impulse signal to a tach (if installed) and also an engine speed value to the ECM/ECU. Your engine would run fine even if it wasn't hooked up.
