2017 Hyundai Veloster Curt T-Connector Vehicle Wiring 2017 Hyundai Veloster - Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector. Quickly and easily install a 4-way trailer connector on your Hyundai Veloster with this custom harness. T-connector plugs directly into existing wiring - no cutting, splicing or tapping required.4/5(3) Hyundai Veloster Trailer Hitch | etrailer Hyundai Veloster Trailer Hitch Questions and Answers. Trailer Hitch that Fits 2019 Hyundai Veloster Turbo; Yes, I check with Curt and they have confirmed that their hitch part # C11550 is a fit for your 2019 Hyundai Veloster Turbo model. It fits the Turbo, Turbo Ultimate, Turbo Tech, Turbo R-Spec, Premium and base models. view full answer..