Ford Navigator2005 Owner's Manual page 776

Roadside Emergencies
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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2005 Navigator (nav), Owners Guide (post-2002-fmt) (own2002),
Market: USA_English (fus)