1995 GMC Jimmy Owner's Manual - Page 206

You could be injured the vehicles rall. Set the parking brake firmly if on each vehicle. Put an automatic transmissionin PARK (P)or a manual txansmission i NEWIRAL (N). If you have a n four-wheel-drive vehicle with a manual transfer case shift Lever, be m e the transfer case is not in NEUTRAL (N). 3. Tum off the ignition on both vehicles. T r off all lights that aren't un needed, and radios. This will avoid sparks and help save both batteries. And it could save your radio! NOTICE: I you leave your radio on, it could be badly damaged. The f repair wouldn't be covered by your warranty. 4. Open both hoods andlocate the batteries. Find the positive (+) and negative (-) terminals an each battery. 5 . Check that the jumper cables don'thave loose or missing insulation. If they do, you couldget a shock. The vehicles codd be damaged too. Before you connect the cables, here are some basic things you should how. Positive (+) will go to positive (+) and negative (-) will go to negative (-) or a metal engine part. Don't connect (+) to (-) or you'll get a short that would damage the battery and maybe other parts too. 5-4