GMC 1995 Jimmy Owner's Manual page 206

You
could be injured if
the
vehicles
rall.
Set
the parking brake firmly
on
each vehicle. Put
an
automatic transmission
in PARK (P)
or
a
manual txansmission i n
NEWIRAL (N). If
you
have
a
four-wheel-drive vehicle with a
manual
transfer
case shift
Lever,
be
m e the transfer case is not in NEUTRAL
(N).
3.
Tum off
the ignition on both vehicles.
T u r n off all
lights that aren't
needed, and radios.
This
will
avoid
sparks and
help save both batteries.
And
it could save
your
radio!
NOTICE:
I f you leave your radio on, it could be badly damaged. The
repair wouldn't be covered by your warranty.
4. Open both hoods and locate the batteries. Find the positive
(+) and
negative (-) terminals
an
each battery.
5 . Check that
the
jumper cables don't have loose
or missing
insulation.
If
they do, you could get a shock. The vehicles codd
be
damaged too.
Before
you
connect the cables, here
are
some basic
things you
should
how.
Positive (+) will
go
to positive
(+)
and negative
(-)
will
go
to
negative
(-)
or
a metal engine part. Don't connect (+) to
(-)
or you'll
get
a short
that would
damage
the
battery and maybe
other parts
too.
5-4