Buick 1993 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 least 1.8 inches (45 cm)
away
from
the dead banery, .but not nm=engine parts that
move. The electrical connection i s
just
as
go:od there,
but the chance of sparks getting back to the battery'is
much less.
. e % '
.
a, ,
' .
I ,
"
" . .
,..
.
Don't let the other end touch anything until the next
step. The other end of the negative cable doesn't go
to
the deadbattery. It goes to a heavy unpainted
metal part on the engine of the vehicle with the dead
battery.
10. Now start the vehicle with the good battery and
run
the engine for awhile.
210