The way David describes it is cporrect if ebeything was put together properly., Often it is not. The wires are supposed to be tightened finger tight until they wont turn with the fingers, then another 3/4 turn to seal them. However, often guys will wrench them right down. Then when you go to remove the wire, the whole plug will turn with the wire. To remove them at that point, you have to remove the wire at the distributer cap, then remove the wire and plug as a pair. Then you seperate them with a pair of wrenches.
At this point all you need to do is remove one wire at a plug, hold the wire about 1/8 of an inch from the engine block, turn on the ignition switch and crank the engine over to test for spark.
Coils, especially the new ones, are very susceptible to failure if someone leaves the ignition switch on for an hour or two. Seems the modern replacements will actually de-solder their tops off from the heat.
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13-08-17, 00:58
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