In this article we go over how to make a homemade tailgate lock for your pickup tailgate using a barrel bolt. This works great if you have a locking cap or tonneau cover but your tailgate doesn’t lock. Cheap and simple.
Get a barrel bolt lock from the hardware store (the bigger, the better). Make sure it has the 3rd piece on the bottom of the picture.
Barrel Bolt Lock
Line it up on the top corner of your tailgate and cut out any raised bed liner.
Homemade Tailgate Lock
Line the metal bracket up with the barrel bolt on the side of your truck bed, under the liner.
DIY Tailgate Lock
Mount the bolt and bracket and drill out hole in the middle of the bracket.