1996 GMC Savana Van Owner's Manual - Page 191

If your vehicle has more than one battery, use the battery that is under the hood of the vehicle -- this will reduce the electrical resistance. 4. Open the hoods and locate the batteries. Find the positive (+) and negative (-) terminals on each battery. 2. Get the vehicles close enough so the jumper cables can reach, but be sure the vehicles aren't touching a each other. If they are, it could cause ground connection you don't want. You wouldn't be able to start your vehicle, and the bad grounding could damage the electrical systems. Set the parking brake firmly on each vehicle. Put an automatic transmission in PARK (P) or a manual N. transmission in NEUTRAL ( ) A CA Using a match near a battery can cause battery gas to explode. People have been hurt doing this, and some have been blinded. a flashlight if Use you need more light. Be sure the battery (or batteries) has enough water. You don't need to add water to the Delco Freedom@ battery(or batteries) installed in every new GM vehicle. But if a battery has filler caps, be sure the right amount fluid is there. If of it is low, add water to take care that first. If of you don't, explosive gas could be present. Battery fluid contains acid that can burn you. Don't get it on you. If you accidentally get itin your eyes or on your skin, flush the place with water and get medical help immediately. 3. Turn off the ignition on both vehicles. Turn off all lamps that aren't needed, and radios. This will avoid sparks and help save both batteries, and could save your radio! NOTICE: If you leave your radio it could be badly on, damaged. The repairswould not be coveredby your warranty. 5-3