Combine the ground black pepper, Cayenne pepper, ginger, garlic, sugar, vinegar, 7-up, turmeric, and lemon juice in a large bowl. Mix well.
Add-in the chicken wings. Cover the bowl with a cling wrap. Marinate the chicken for 5 to 8 hours.
Skewer the chicken wings in a bamboo skewer.
In a small bowl, combine the margarine, annatto powder, lemon, and salt. Stir and set aside.
Heat-up the grill. Start to grill the chicken while basting using margarine mixture. Grill the wings for 6 to 8 minutes per side.
Transfer the grilled chicken wings to a serving plate.
Serve. Share and enjoy!