1994 Cadillac DeVille Owner's Manual - Page 233

(-) or a metal engine part. Don't connect (+) to (-) or you'll get a short that would damagethe battery and maybe other parts, too. 7. Connect the red positive (+) cable to thepositive (+) terminal of the vehicle withthe deadbattery. 8. Don't let the otherend touch metal. Connect it to the positive (+ ) terminal of the good battery. 9. Now connect the black negative (-) cable to thegood battery's negative (-) terminal. 10. Don't let the other touch anything untilthe next step. The other end to end of the negative cable doesn't go thedead battery. It goes to a heavy unpainted metal part on the engine of the vehicle withthe dead battery.