1999 GMC Sonoma Owner's Manual - Page 234

yellowblue Return the jack, wheel wrench and wheel blocks to the proper location behind the seat. Secure the items. Replace the jack cover, if you have one. A. Wheel Wrench B. Bracket C. Jacking Instructions (Roll and place tag behind the bracket after the tools are installed.) D. Bolt Location (Standard) E. Bolt Location (ZR2) F. Wheel Blocks G. Nut H. Rubber Band I. Jack Position (ZR2) J. Jack Position (Standard) A. Hub Cap Removal Tool (Some Models) B. Cover (Extended Cab) C. Cover (Standard Cab) D. Hub Cap Removal Tool (Some Models) E. Bolt 5-30