There are two ground straps.  One is on the driver's side (from the top of the
head to the fire wall).  The other on the nose of the transmission (from the
transmission mount to the body.  Clean the connections with scotch brite (not
steel wool) to prevent dissimilar metal corosion.  Not sure if no-lox (anti-
corrosion compound) is a good idea or not since the computer can be pretty
sensitive to small voltage differences.
Have fun.
Ken Wilford
John 3:16