Ford 1997 Aspire Manual page 143

4. Connect the other end of that cable to a
good metallic surface on the engine or frame
of the disabled vehicle. The following
illustration shows where you can find a
metallic surface.
Do not connect the end of the second
cable to the negative ( ) terminal of the
battery to be jumped. A spark may cause
an explosion of the gases that surround
the battery.
The sequence for connecting the jumper cables
WARNING
141