Hyundai cruise control problem

In this video, it shows how a very small voltage difference can cause big issues on car electrical system. The Earth wire is not open in the clock spring unit, if it was to open it will be 5 volts on signal circuit at all time regardless of cruise button operation. It is just bad earth. Common clock spring problem with Hyundai and Kia vehicle. loss of cruise control using handheld hantek oscilloscope identify the clock spring issue.