The Tekonsha Brake Control harness, part # 3020-P, is designed to fit Dodge/Chrysler vehicles equipped with a factory tow package that includes a brake controller port underneath the dash. The Magnums did not get these tow packages. You can still use a brake controller, but you will need to do some wiring since you do not have the brake controller port.
There are 4 wires on most brake controllers: white, black, red and blue. The white is a ground wire and should be run to the negative... view full answer...