Cadillac 2003 DeVille Owner's Manual page 318

8 ; Now connect the black
negative (-) cable to
the negative (-)
terminal location of the
vehicle with the
good battery. Use a
remote negative (-)
terminal if the vehicle
has one.
Connect the other end
of the negative (-)
cable to the
negative (-) terminal
location on the vehicle
with the dead battery.
Your vehicle has a
remote negative (-)
terminal marked
GND (-).
Don't let the other end of the cable touch
anything until the next step. The other end of the
negative (-) cable doesn't go to the dead battery.
It goes to a heavy, unpainted metal engine part
or to a remote negative (-) terminal on the vehicle
with the dead battery.
10.
11.
Now start the vehicle with the good battery and run
the engine for a while.
Try to start the vehicle with the dead battery. If it
won't start after a few tries, it probably needs
service.
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