Place the chicken breasts into the base of the slow cooker and add the brown sugar, ground cumin, salsa, green chilies, salt and pepper on top of the chicken.
Set the slow cooker on low and cook for 8 hours.
Once finished cooking, shred the chicken with 2 forks and mix into the sauce.
Spoon the shredded chicken into tortillas and make tacos.
Prepare the salad.
Serve Slow Cooker Baja Shredded Chicken Tacos with pico de gallo garnish and side salad.