Chevrolet 2005 Blazer Owner's Manual page 354

4. Raise the tire fully against the underside of the
vehicle by turning the wrench clockwise until you
hear two clicks or feel it skip twice. The spare
tire hoist cannot be overtightened.
5. Make sure the tire is stored securely. Push, pull (A),
and then try to rotate or turn (B) the tire. If the tire
moves, use the wheel wrench to tighten
the cable.
5-82
Follow this diagram for the inside-mounted spare.
Inside-Mounted Tire Storage
A. Spare or Flat Tire
B. Retainer
C. Nut
D. Wheel Carrier
E. Hook