GMC 1996 Sierra Owner's Manual page 221

6. Connect the red positive
(+)
cable to the positive
(+)
terminal of the vehicle with the dead battery. Use a
remote positive
(+)
terminal if the vehicle has one.
I
7 . Don't let the other end
touch metal. Connect
it
to the positive
(+)
terminal of the good
battery. Use a remote
positive
(+)
terminal if
~
the vehicle has one.
5-5