1995 GMC Yukon Owner's Manual - Page 242

Turn off the ignition on both vehicles. Turn off all lights that aren't needed, and radios. This will avoid sparks and help save both batteries. And it could save your radio! NOTICE: If you leave yourradio on, it could be badly damaged. The repairs wouldn'tbe covered by your warranty. 0 Open the hoods and locate the batteries. Find the positive (+) and negative (-) terminals on each battery. 0 Check that the jumper cables don't have loose or missing insulation. If they do, you could get a shock. The vehicles could be damaged, too. Before you connect the cables, here are some basic things you should know. 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