Yes, you are looking for part number, # 90195 for the Tekonsha Prodigy P3 Trailer Brake Controller and need the Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers, # TK93VR too. This adapter plugs into the 4-pin connector on your vehicle's built-in brake control wiring harness that located underneath the dash, to the left of the steering column. view full answer...