All wiring was in place with the exception of the rear bumper sensor harness which connects to the plug just inside the passenger side rear well. The front sensor connectors (2 each side taped up to harness just under headlights) must be pulled into place through the bumper and the module connectors (3 - blk, blu and wht) are taped back to the wiring harness in the battery well. For the dash switch I just purchased a switch console which had the correct buttons and directly swapped out. The front speaker is already wired and connected as it uses the gong and the rear speaker must be added to the right rear fuse/relay block area (plug is 2-wire connector and is taped back to wiring harness). Hope this helps.