CDC has engineered an ALL NEW Sequential System for the 2005-8 Mustang...the Dynamite Sticks Sequential System. This dynamite design requires no core, no splicing and no harness; the results high tech lighting to your rear end with simplified installation. This advanced engineered system uses Ford OEM connectors with a preprogrammed microprocessor that controls timing for optimum performance. Standard with reverse circuit protection with voltage regulation, also CDC?s sequential system has physically sealed the package that protects electronics from moisture that will enter your trunk. When the brake is applied the lights will sequence once and then stay solid.