What is the TBC in a 1998 Chevy Blazer?
The TBC in a 1998 Chevy Blazer refers to the Tire and Body Code. It's not a single number or letter, but rather a code found on the safety compliance certification label (usually located on the driver's side doorjamb or the glove box) that indicates the original tire size and body style of the vehicle. You need to look at the label itself to find the specific TBC for your particular 1998 Chevy Blazer.