Roadside emergencies – FORD 2003 F-550 v.1 User Manual
Page 169
1. Use only a 12–volt supply to start your vehicle.
2. Do not disconnect the batteryof the disabled vehicle as this could
damage the vehicle’s electrical system.
3. Park the booster vehicle close to the hood of the disabled vehicle
making sure the two vehicles do not touch. Set the parking brake on
both vehicles and stayclear of the engine cooling fan and other moving
parts.
4. Check all batteryterminals and remove anyexcessive 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 anyelectrical
surges. Turn all other accessories off.
Connecting the jumper cables
1. Connect the positive (+) booster cable to the positive (+) terminal of
the discharged battery.
Note: In the illustrations, lightning bolts are used to designate the
assisting (boosting) battery.
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Roadside Emergencies
169