1996 GMC Jimmy Owner's Manual - Page 214

2. Get the vehicles close enough so the jumper cables can reach, but be sure the vehicles aren't touching each other. If they are, it could cause aground connection you don't want. You wouldn't be able to start your vehicle, and the bad grounding could damage the electrical systems. I NOTICE: If you leave your radio on, it could be badly damaged. The repair wouldn't covered by be your warranty. You could be injured if the vehicles roll. Set the parking brake firmly on each vehicle. Put an automatic transmission in PARK (P) or amanual transmission in NEUTRAL (N). If you have a four-wheel-drive vehicle with a manual transfer case shift lever, be sure the transfer case is not in NEUTRAL (N). 3. Turn off the ignition on both vehicles. Unplug unnecessary accessories plugged into the cigarette lighter, or accessory power outlets, if you have this option. Turn off all lamps that aren't needed as well as radios. This will avoid sparks and help save both batteries. In addition, it could save your radio! If your vehicle has air conditioning, the auxiliary hood can start upeven electric fan under the when the engineis not running and can injure you. Keep hands, clothing and tools away from any underhood electric fan. 5-3