July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Tailgate Switch

Check for continuity between the tailgate latch terminals.

Fig 1: Tailgate Latch Terminals
Courtesy of KIA MOTORS AMERICA, INC.
If continuity is not specified, inspect the switch

Fig 2: Tailgate Latch Terminals Continuity Chart
Courtesy of KIA MOTORS AMERICA, INC.