cut of the cap side close to the boot as you can , most plugwires have an inner an outter core, carefully cut into the wire with a razor about 1/4 inch back , DO NOT CUT THE CORE pull off the outter sheilding to expose the conductive wire filiments use a ice pick or similar tool even a sharp pencil an pust it into the center of the filiments to create a small recess for the screw in the cdi to thread into , the join the 2 peices . easy as that .
Gary
Gary