2005 Dodge Ram 2500 Pickup Owner Manual Diesel - Page 330

330 WHAT TO DO IN EMERGENCIES 3. Take care that the clamps from one cable do not inadvertently touch clamps from the other cable. Do not lean over the battery when making connection. The negative connection must provide good electrical conductivity and current carrying capacity. 4. After the engine is started or if the engine fails to start, cables must be disconnected in the following order: a. Disconnect the negative cable at the engine ground. b. Disconnect the negative cable at the negative post on booster battery. c. Disconnect the cable from the positive post of both batteries. WARNING! Any procedure other than above could result in: 1. Personal injury caused by electrolyte squirting out the battery vent; 2. Personal injury or property damage due to battery explosion; 3. Damage to charging system of booster vehicle or of immobilized vehicle. With Portable Starting Unit There are many types of these units available. Follow the manufacturer's instructions for necessary precautions and operation.