Electrical Testing: Tailgate
Battery must be fully charged, and solenoid properly adjusted. Remove wiring connector at solenoid in tailgate. Connect a test lamp to pink lead at the connector in wiring harness. With ignition switch "ON" test lamp should light. Move tailgate unlock switch to the unlock position and hold, lamp should go out. Move test lamp to the orange lead in connector, the test lamp should be lit, release tailgate unlock switch and test lamp should go out. To determine if solenoid is operating properly, connect a hot lead to the orange wire in solenoid connector, solenoid link should extend. Move hot lead to pink wire and solenoid should retract.