9007 Premium Specialty Canbus Killer Wire Relay Harness for HID Kits (For Dodge/Chrysler/Ford) 9007 Wire relay harness for installation of HID Kits Designed with resistor modules built in to prevent flickering caused by HID kits Typically cars with CANBUS systems will cause flickering or not turning on Known to solve flickering caused by canbus systems; (If flickering is caused by something else such as poor ballasts, this won't solve your problem) Applications include Dodge, Ford, Chrysler and other cars with H13 Bulb