Tequila Lime Chicken

1/2 cup gold tequila
1 cup freshly squeezed lime juice (5 to 6 limes)
1/2 cup freshly squeezed orange juice (2 oranges)
1 T chili powder
1 T minced fresh jalapeno pepper (1 pepper seeded)
1 T minced fresh garlic (3 cloves)
1 tsp kosher salt
1 tsp freshly ground black pepper
3 whole (6 split) boneless chicken breasts, skin on
Combine the tequila, lime juice, orange juice, chili powder, jalapeno pepper, garlic, salt, and pepper in a large bowl. Add the chicken breasts. Refrigerate overnight.
Heat grill. Remove the chicken breasts from the marinade, sprinkle well with salt and pepper and gril them skin side down for about 5 minutes, until nicely browned. Turn the chicken and cook for another 10 minutes, until just cooked through. Remove from the grill to a plate. Cover tightly and allow to rest for 5 minutes. Serve hot or at room temperature.