1998 Ford Expedition Owner Guide 1st Printing - Page 146
1998 Ford Expedition Manual
Page 146 highlights
Roadside emergencies 4. Check all battery terminals and remove any excessive corrosion before you attach the battery cables. 5. Turn the heater fan on in both vehicles to protect any electrical surges. Turn all other accessories off. Connecting the jumper cables 1. Position the vehicles so that they do not touch one another. 2. Switch off the engine. Switch off any unnecessary electrical equipment. 3. Connect the positive (+) terminal of the discharged battery (1) to the positive (+) terminal of the booster battery (2). 4. Connect one end of the second lead to the negative (-) terminal of the booster battery (3) and the other end to a metal part of the engine to be started (4), not to the negative (-) terminal of the discharged battery. 5. Make sure that the jump leads are clear of moving parts of the engine. 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. 1 4 + - - + 3 2 146