FORD 2010 Expedition v.3 - Manual (Page 349)

Remove the jumper cables in the reverse order that they were
connected.
1. Remove the jumper cable from the jump starting stud.
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.
3. Remove the jumper cable from the positive (+) terminal of the booster
vehicle’s battery.
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Roadside Emergencies
349
2010 Expedition (exd)
Owners Guide, 3rd Printing
USA (fus)