Could not get fully functional unit
Unit came quickly and was easy to install into my 2007 Suburban. Going through the setup, i kept receiving the SC (short circuit) fault. Checked truck and trailer and all was fine. Unit would not pass bench test with 1156 bulb. Curt customer service was friendly and helpful. Sent another unit and it had same issues. Received a 3rd unit and it failed bench test without ever installing in vehicle. Then they said just return for money back as if I was doing something wrong! Returning.