Page 136 of 224
nottouch. Set the parking brake on both vehicles
and stay clear of the engine cooling fan and other
moving parts.
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, 3.0L Vulcan, 3.0L
Duratec and 3.4L SHO engines
1. Connect the positive (+) booster cable to the
positive (+) terminal of the discharged battery.
Note:In the illustrations,lightning boltsare used
to designate the assisting (boosting) battery.
2. Connect the other end of the positive (+) cable to
the positive (+) terminal of the assisting battery.
+–+–
+–+–
Roadside emergencies
136
Page 137 of 224
3. Connect the negative (-) cable to the negative (-)
terminal of the assisting battery.
4. Make the final connection of the negative (-)
cable. For the 3.0L Vulcan and 3.4L SHO, make the
connection to an exposed metal part of the stalled
vehicle's engine, away from the battery and the
carburetor/fuel injection system. For the 3.0L
Duratec, make the connection to the hood latch of
the disabled engine, away from the battery and the
carburetor/fuel injection system.
The preferred locations of an exposed metal part (to
groundthe circuit) are the alternator mounting
brackets or an engine liftingeye.Do notuse fuel
lines, engine rocker covers or the intake manifold as
groundingpoints.
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.
+–+–
+–+–
Roadside emergencies
137
Page 138 of 224
5. Be sure that the cables are clear of fan blades,
belts and other moving parts of both engines.
Jump starting
1. Start the engine of the booster vehicle and run
the engine at moderately increased speed.
2. Start the engine of the disabled vehicle.
3. Once the disabled vehicle has been started, run
both engines for an additional three minutes before
disconnecting the jumper cables.
Removing the jumper cables, 3.0L Vulcan, 3.0L
Duratec and 3.4L SHO engines
Remove the jumper cables in the reverse order
that they were connected.
1. Remove the jumper cable. For the 3.0L Vulcan
and 3.4L SHO, remove the jumper cable from the
groundmetal surface. For the 3.0L Duratec, remove
the jumper cable from the hood latch.
2. Remove the jumper cable on the negative (-)
connection of the booster vehicle's battery.
+–+–
+–+–
Roadside emergencies
138
Page 139 of 224
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.
After the disabled vehicle has been started and the
jumper cables removed, allow it to idle for several
minutes so the engine computer canrelearnits idle
conditions.
+–+–
+–+–
Roadside emergencies
139