Mercury 2000 Grand Marquis - Manual (Page 148)

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.
4. Remove the jumper cable from the positive (+) terminal of the
disabled vehicle’s battery.
+ –
+ –
+ –
+ –
+ –
+ –
Roadside emergencies
148