I recently ordered this as a replacement for the butchered original in my car from the previous owner trying to go the cheap route. My sequential were not working on either side and the PO had changed the bulb sockets to another style, and spliced multiple wires, and made other changes to do what I don't know. What I do know is that when I took the time to replace this harness with an original used grade A, everything now works as it should!