6. Try to start the disabled vehicle. If it does not start, shut the engine off and
disconnect the last connection temporarily while you slightly twist or wiggle
each of the four clamps to help ensure a good electrical connection. Restart
the working car again. Allow another 5 minutes for charging before
attempting to start the disabled vehicle. If this does not work after a few tries,
you may need to have the car towed or the battery replaced
7. Remove the jumper cables once the car starts. Do this in the reverse of the
order in which they were attached, and don't let any of the cables or clamps
touch each other (or dangle into the engine compartment)
• Disconnect the black clamp from the grounded metal on the dead car
• Disconnect the black clamp from the negative (-) terminal of the good
battery
• Disconnect the red clamp from the positive (+) terminal of the good battery
• Disconnect the red clamp from the positive (+) terminal of the dead battery
Replace any positive (+) red post protective covers if applicable (You have had
to remove or open these in the beginning) These covers help prevent
accidental short circuiting of the battery
8. Keep the recently-disabled car's engine running. Run the car above idle (slightly
revved up with your foot on the accelerator). This should give the battery
enough charge to start the car again. If it does not, you probably have a dead
battery or a dying alternator
Improper jump starting procedures can result in battery explosion and acid
burn hazard.
Loosely connected battery cables could damage the electronic control units.
To disconnect battery terminals wait for at least 2 minutes to allow discharge
of high voltage or it could lead to personal injury.
While disconnecting, always disconnect the -VE terminal first and while
connecting, always connect the -VE terminal last.
Towing a vehicle to start could be dangerous. The vehicle being towed could
surge forward when the engine starts, causing the tow vehicles to collide,
injuring the occupants.
Modern vehicles with electronic management systems should not be jump
started without ‘protected’ jump starter leads. It is necessary to refer to the
owner's handbook for jump starting procedures for such vehicles.
EMERGENCIES
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