1. Open tailgate and remove access cover with a Torx 45 socket.

2 Release left side locking rod by unlatching retainer. 

3 Remove both screws that holds handle assembly to tailgate.

4 Insert Dynolock bracket on the left side of the tailgate (Drivers Side) . Then place 2 predrilled holes over the  threaded studs and replace screws.

5 Insert the short wire harness with the 2 bullet plugs into the drain at the bottom of the tailgate. The end with  waterproof connector should run behind the bumper and under the truck. Push the two bullet connector into  the handle area..

6 Connect wires from harness to solenoid wires. Reconnect threaded lock rod by snapping retainer into place.

7 Connect the long harness to the short harness installed in the tailgate by pressing the 2 pin waterproof 
connectors together.

8 Run the harness under the vehicle as close to the drivers side trim plate as possible Use the tie wraps to
secure  the harness to the frame. Be sure to avoid moving or hot parts under the vehicle, ie. shocks, springs
or muffler parts.

9 Remove the driver's side trim plate

10 Drill a 1/2' hole in the floor  under the driver's side door trim plate and insert the enclosed grommet
Run the harness thru the grommet.

11 Remove the left side kick panel and locate the Orange/Black ( lock) and the Pink/Black (unlock)  wires.

12 Attach the 2 blue wire taps to each wire. Wrap the blue wire taps around each wire and squeeze close with  pliers. Push the 2 pink male spade connectors attached to the end of the harness into the blue taps.

13 Lock the doors with the drivers side lock switch. If the tailgate locks and the doors unlock, at the same  time,  reverse the  wires.  Replace trim plate / kick panel / tailgate access panel and the installation is  complete