Right sabertooth has been replaced and all kinda works now, only problem is that the robot occasionally decides to move completely randomly without me moving the sticks on the transmitter or it decides to go full power backwards and I have to move the stick forwards to get it under control. When I then pulse the brushless motor on for a second the drive seems to fix itself. When the brushless is on a red light also lights up on the sabertooth.
Does anyone know what might be causing this?