Quicker just to check for the spark in the first place, since you have to un-do the wires. The odds of having FOUR bad plugs is pretty bad. The Jeep should start and run on as little as two. My bet, if it's ignition, would be the coil.
If you have very weak spark, then points and condenser first. It is also possible to flash a wire to the neg size of the coil (with the wire to the points off) to achieve spark as a test for the coil.
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