2003 GMC Envoy Owner's Manual - Page 340
2003 GMC Envoy Manual
Page 340 highlights
6. Connect the red positive (+) cable to the positive (+) terminal of the dead battery. Use a remote positive (+) terminal if the vehicle has one. 7. Don't let the other end touch metal. Connect it to I the positive (+) terminal of the good battery. Use a remote positive (+) terminal if the vehicle has one. 5-45
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