Complete Kit , Dealer Installed Only, For Use On Models With Battery Junction Box (BJB) Equipped With Fuse F24 Or Fuse F24 Terminals, If Fuse F24 And Terminals Are Not Present, A Fused Jumper Harness Kit 14A411 Must Be Installed, Installation Instructions Available At Custom Accessories Website , Part Requires IPC Configuration By Dealer To Operate , To Add A Trailer Brake Controller, Please See SSM 21155