The Chrysler factory ignition switch has two outputs. The brown wire is hot in crank only, not run. The blue wire is hot in run only, not crank. They must be tired together when running anything other than a stock ignition with the ballast resistor. Both wires are located at the ballast resistor. Tie them together to feed the small red ignition on wire at your MSD.
Doug

Last edited by dvw; 02/14/22 09:13 AM.