![BL touch wiring. There are cables out there that are wrong for the 4.2.2 & 4.2.7 boards. They can fry your board if not corrected before use. I realised earlier that there BL touch wiring. There are cables out there that are wrong for the 4.2.2 & 4.2.7 boards. They can fry your board if not corrected before use. I realised earlier that there](https://i.redd.it/h39q3gzsi7a81.png)
BL touch wiring. There are cables out there that are wrong for the 4.2.2 & 4.2.7 boards. They can fry your board if not corrected before use. I realised earlier that there
![Ender 3 V2 BLTouch Firmware Installation Guide by Smith3D.com [Updated –13 November 2022] - Smith3D Malaysia Ender 3 V2 BLTouch Firmware Installation Guide by Smith3D.com [Updated –13 November 2022] - Smith3D Malaysia](https://smith3d.com/wp-content/uploads/2021/01/zswitchstop.jpg)
Ender 3 V2 BLTouch Firmware Installation Guide by Smith3D.com [Updated –13 November 2022] - Smith3D Malaysia
![Ender 3 V2 BLTouch Firmware Installation Guide by Smith3D.com [Updated –13 November 2022] - Smith3D Malaysia Ender 3 V2 BLTouch Firmware Installation Guide by Smith3D.com [Updated –13 November 2022] - Smith3D Malaysia](https://i1.wp.com/smith3d.com/wp-content/uploads/2020/07/1-scaled.jpg?fit=980%2C487&ssl=1)
Ender 3 V2 BLTouch Firmware Installation Guide by Smith3D.com [Updated –13 November 2022] - Smith3D Malaysia
![Amazon.com: BIGTREETECH 2 Types BLTouch Extension Cables + Mount Compatible with Ender 3, Ender-3 Pro, Ender3 V2, CR-10, Ender 5 Proand and Normal Controller Board : Industrial & Scientific Amazon.com: BIGTREETECH 2 Types BLTouch Extension Cables + Mount Compatible with Ender 3, Ender-3 Pro, Ender3 V2, CR-10, Ender 5 Proand and Normal Controller Board : Industrial & Scientific](https://m.media-amazon.com/images/I/719ljUGSCvL.jpg)