The usual way with stuff like MSD ignition is to simply connect the brown IGN 2 (resistor bypass) and IGN 1 "ignition run" usually dark blue where the ballast "used to be"
There's been discussion that some of the hemi swaps get more complicated, as it's alleged there is a "gap" sometimes when the key is released from "crank" to "run." I've never seen an absolute sure--fire. On my Holley system, that method worked OK I no longer run a resistor, just a simple 4 pin HEI module