This quicksolder kit makes the nandflasher installation a breeze, its recomended you leave the kit installed on the console so you can in the future do a restore or recovery from a brick, etc.

This is a set of quicksolder boards same to those who came with your nandflasher

To learn where those boards are placed on the console mainboard, you can download the following document
Quicksolder Placement on the Mainboard

To learn how to connect the nandflasher to the quicksolder boards based on the wire colors, check the following document
Plugging the Nandflasher to the Quicksolder Boards