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You'll need to expand on that a little. I'm going to guess that 'DVOM" means digital volt ohm meter. Is that right and how does it work? -- Matt


Yeah, that's what it stands for. Turn the dial on the DVOM to "4cyl" and attach the positive lead to the coil negative post, then ground the DVOM negative lead to a decent ground and BAM! You've got RPM. Works great for me.