FORD 2008 Explorer v.3 - Manual (Page 324)

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.
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
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