Tailgate Lock Inoperative

Check for power at Orange/Black wire at switch. If no power, check for open or short in Orange/Black, Tan or Black wire with switch activated, or check circuit breaker. If power is present, test Tan wire with switch in lock position. If no power, check switch ground. If power present, test Black wire with switch in unlock position. If no power, replace switch. If power present, check for open in wiring between switch and tailgate motor. If okay, replace tailgate motor.