The TBS Vendetta motors connectors are designed to fit with the appropriate motor rotation. If necessary to change the motor direction, follow this procedure:
1. Download and install BLHeli configurator on google Chrome
2. Connect the TBS Vendetta to your computer via a micro USB cable plugged on the colibri (opening on front right side of the Vendetta)
3. Open BLHeli configurator in Chrome
4. Click "read setup" to load the data from the ESC
5. The motors appears as ESC #1,2,3,4. Pick the motor you need to change direction of and select "Reverse" in the drop down menu
6. Hit "write setup" to save the changes
Check this video, the procedure is similar with the TBS Vendetta
How to install BLHeli configurator ?