1999 Cadillac DeVille Owner's Manual - Page 245
1999 Cadillac DeVille Manual
Page 245 highlights
yellowblue Don't let the other end of the negative (-) cable touch anything until the next step. The other end of the negative (-) cable doesn't go to the dead battery. It goes to a heavy unpainted metal part on the engine of the vehicle with the dead battery. 10. Attach the cable at least 18 inches (46 cm) away from the dead battery, but not near engine parts that move. The electrical connection is just as good there, but the chance of sparks getting back to the battery is much less. 13. Remove the cables in reverse order to prevent electrical shorting. Take care that they don't touch each other or any other metal. 11. Now start the vehicle with the good battery and run the engine for awhile. 12. Try to start the vehicle with the dead battery. If it won't start after a few tries, it probably needs service. A. Heavy Metal Engine Part B. Good Battery C. Dead Battery 5-7