Buick 1994 Century Owner's Manual page 178

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.
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.
8. Now connect the black
negative (-) cable to the
good battery's negative
(-)
terminal.
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