2015 Ford F450 Super Duty Crew Cab Owner Manual Printing 2 - Page 216

Roadside Emergencies Park the booster vehicle close to the hood of the disabled vehicle, making sure the two vehicles do not touch. Turn all accessories off. 1. Connect the positive (+) jumper cable to the positive (+) terminal of the discharged battery. 2. Connect the other end of the 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 engine, or connect the negative (-) cable to a ground connection point if available. 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. Connecting the Jumper Cables WARNING Do not attach the cables to fuel lines, engine rocker covers, the intake manifold or electrical components as grounding points. Stay clear of moving parts. To avoid reverse polarity connections, make sure that you correctly identify the positive (+) and negative (-) terminals on both the disabled and booster vehicles before connecting the cables. Note: In the illustration, the bottom vehicle represents the booster vehicle. Jump Starting 1. Start the engine of the booster vehicle and rev the engine moderately, or press the accelerator gently to keep your engine speed between 2000 and 3000 rpms, as shown in your tachometer. 2. Start the engine of the disabled vehicle. 3. Once the disabled vehicle has been started, run both vehicle engines for an additional three minutes before disconnecting the jumper cables. 1 3 4 2 Removing the Jumper Cables Remove the jumper cables in the reverse order that they were connected. E142664 213 Super Duty (), enUSA