RubyRedLTZ
TYF Newbie
- Joined
- Dec 18, 2020
- Posts
- 19
- Reaction score
- 54
So apparently its an LT with the sport trim package. RPO codes 1SC and BYP. Also has Z71. Seems like a very well optioned truck.Check your RPO codes printed inside the glove box, for a Z71 code. Interesting you have a GMC grille, on your '99 Chevy Tahoe?