FORD 2010 Explorer v.1 - Manual (Page 328)

4. Make the final connection of the negative (-) cable to the ground stud
located toward the front of the vehicle (forward of the battery) on the
radiator support. Keep the negative (-) cable away from the battery and
the carburetor/fuel injection system.
Note: Do not attach the negative (-) cable fuel lines, engine rocker
covers, the intake manifold or electrical components as grounding
points.
WARNING: Do not connect the end of the second cable to the
negative (-) terminal of the battery to be jumped. A spark may
cause an explosion of the gases that surround the battery.
5. Ensure that the cables are clear of fan blades, belts, moving parts of
both engines, or any fuel delivery system parts.
+
+
-
-
Roadside Emergencies
328
2010 Explorer (exp)
Owners Guide (own2002), 1st Printing
USA (fus)