Mazda mx-5 2017 Owner's Manual page 459

1. Remove the battery cover.
2. Make sure the booster battery is 12
V and that its negative terminal is
grounded.
3. If the booster battery is in another
vehicle, do not allow both vehicles
to touch. Turn off the engine of the
vehicle with the booster battery and
all unnecessary electrical loads in both
vehicles.
4. Connect the jumper cables in the exact
sequence as in the illustration.
Connect one end of a cable to the

positive terminal on the discharged
battery (1).
Attach the other end to the positive

terminal on the booster battery (2).
Connect one end of the other cable to

the negative terminal of the booster
battery (3).
Connect the other end to the ground

point indicated in the illustration
away from the discharged battery (4).
5. Start the engine of the booster vehicle
and run it a few minutes. Then start the
engine of the other vehicle.
6. When finished, carefully disconnect the
cables in the reverse order described in
the illustration.
Battery Runs Out
7. If the battery cover has been removed,
install it in the reverse order of
removal.
NOTE
Verify that the covers are securely
installed.
If Trouble Arises
7–25