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Grab the prop rod or some other part of the body. Then stick your tongue on the end of the coil wire and have someone crank the engine over. If you survive, you need a new coil. If you survive and have brain damage or need a pace maker now, you probably still need a new coil. If you die, you don't need a new coil, you won't be driving anymore.
Seriously though, if it's a distributor system, I like to take the dizzy end of the coil wire and jam a Philips head in it and hold the driver about 1/2 inch from the prop rod. Then have someone crank the engine. If you hear a sharp snap and see blue spark it's good. If you hear a weak crackling and see orange or red spark, coil time.
If you are not in direct contact with the body you shouldn't get zapped.
If it's a coil-pack system do the same thing, but pull the fuel pump relay first. And you gotta do it once for every coil.
this summer, few months agoBoggin, when did you get the Gen3?