4. Check all battery terminals and remove any excessive corrosion before
you attach the battery cables. Ensure that vent caps are tight and level.
5. Turn the heater fan on in both vehicles to protect any electrical
surges. Turn all other accessories off.
Connecting the jumper cables
1. Connect the positive (+) jumper cable to the positive (+) terminal of
the discharged battery.
Note:
In the illustrations,
lightning bolts
are used to designate the
assisting (boosting) battery.
2. Connect the other end of the positive (+) cable to the positive (+)
terminal of the assisting battery.
+
–
+
–
+
–
+
–
2005 Mercury Mariner
(mrn)
Owners Guide (post-2002-fmt)
USA_English
(fus)
Roadside Emergencies
209
