Mazda MX-5 Miata 2004 Owner's Manual page 199

In Case of an Emergency
Emergency Starting
1. Make sure the booster battery is 12 V
and that its negative terminal is
grounded.
2. If the booster battery is in another
vehicle, don't allow the vehicles to
touch. Turn off the engine of the
vehicle with the booster battery and all
unnecessary electrical loads in both
vehicles.
3. 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 a solid,
stationary, exposed metallic point
(for example, the trunk latch catch)
away from the discharged battery
(4).
Discharged
battery
Jumper cable
7-14
Jumper
cable
Booster battery
Connect cables
in numerical
order and
disconnect
in reverse order.
WARNING
Connecting to Negative Terminal:
Connecting the end of the second
cable to the negative ( ) terminal of
the discharged battery is dangerous.
A spark could cause the gas around
the battery to explode and injure
someone. Connect the cable to a point
away from the battery.
4. Start the engine of the booster vehicle
and run it a few minutes. Then start the
engine of the other vehicle.
5. When finished, carefully disconnect
the cables in the reverse order
described in Step3.