What is the problem with HIDs on Challenger 392?

Most likely a bad ground. If the vehicle was involved in a collision you might never get it fixed correctly. Let your local Dodge Dealer try fixing it. They have access to things like wiring diagrams for your vehicle and service bulletins that might apply to your vehicle. Hope that helps! Jim

If you are using aftermarket hid and ballasts such as innovited or ..... Check connections from car to ballast for corrosion heat or discoloration on pins to ballast if present remove connection to ballast and use line taps (small blue or red blocks w push tab in center) leaving factory wiring original add grease inside where connection is to be made to prevent corrosion. Check headlight switch as well internal contacts can be month to month intermittent