GMC 1993 Safari Owner's Manual page 226

K3533
The ratchet has an UP side and a DOWN side.
I
PO41 8
Attach the ratchet, with the DOWN side facing you, to the extension. The
extension has a socket end and a flat (screwdriver shaped) end. Put the flat
end of the extension on an angle through the hole in the rear door frame,
above the bumper. Be sure the flat end connects into .the hoist shaft.
Turn the ratchet counterclockwise to lower the spare tire to the ground. Keep
turning the ratchet until the spare tire can be pulled out from under the
vehicle.
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