Removing The Jumper Cables - Ford 2009 F-150 Owner's Manual

Roadside Emergencies
3. Once the disabled vehicle has been started, run both engines for an
additional three minutes before disconnecting the jumper cables.

Removing the jumper cables

Remove the jumper cables in the reverse order that they were
connected.
1. Remove the jumper cable from the ground metal surface.
Note: In the illustrations, lightning bolts are used to designate the
assisting (boosting) battery.
2. Remove the jumper cable on the negative (-) connection of the
booster vehicle's battery.
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2009 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)