2012 Ford F350 Super Duty Owner Guide 4th Printing - Page 349

Roadside Emergencies 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 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 from any electrical surges. Turn all other accessories off. Connecting the jumper cables Note: In the illustration, the vehicle on the bottom is used to designate the assisting (boosting) battery. 1. Connect the positive (+) jumper cable to the positive (+) terminal of the discharged battery. 1 2. Connect the other end of the 4 positive (+) cable to the positive (+) terminal of the assisting battery. + 3. Connect the negative (-) cable to the negative (-) terminal of the assisting battery. 4. Make the final connection of the negative (-) cable to an exposed metal part of the stalled vehicle's 3 engine, away from the battery and the carburetor/fuel injection system. 2 - - + Note: Do not attach the negative (-) cable to 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. Ensure that the cables are clear of fan blades, belts, moving parts of both engines, or any fuel delivery system parts. 349 2012 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)