1997 Mercury Grand Marquis Owner Guide 1st Printing - Page 201

Jump-Starting 1. Make sure that the jumper cables are not in the way of moving engine parts, then start the booster vehicle. Run the engine at a moderate speed. Let the discharged battery charge for a few minutes and then start the disabled vehicle. It may take a couple of tries before the vehicle starts. If the vehicle does not start after several attempts, there may be a different problem. When both vehicles are running, let them idle for a few minutes to charge the discharged battery. Always remove the jumper cables in the reverse order. Remove the negative (ȕ) end of the jumper cable from the metallic surface on the engine or frame of the disabled vehicle. Remove the negative (ȕ) cable from the booster battery. Remove the positive (+) cable from the booster battery. Remove the other end of the positive (+) cable from the discharged battery. 2. 3. Removing jumper cables 1. 2. 3. 4. After the vehicle is started, let it idle for a while to let the engine "relearn" its idle conditions. Drive it around for a while with all electrical accessories turned off to let the battery recharge. Driveability may be deteriorated slightly until all drive modes are "relearned." You may need to use a battery charger to fully recharge the battery. 202