1993 Buick Roadmaster Owner's Manual - Page 212

8. Now connect the black negative (-) cable to, the good battery's negative (-) 'terminal. 9. Attach the cable at least1.8inches (45 cm) away from the dead banery,.butnot nm=engineparts that i move. The electrical connections just as go:od there, of battery'is but the chance sparks getting back to the much less...e % a, ' , '. I , " ". . ,... Don't let the other end touch anything until the next step. Theother end of the negative cable doesn't go to the deadbattery. It goes to a heavy unpainted metal part on the engineof the vehicle with the dead battery. 10. Now start the vehicle with the good battery andrun the engine for awhile. 210