JMC JIMMY 1993 Owner's Manual page 238

Problems on the Road
2.
Get the vehicles close enough so the jumper cables can reach, but be
sure the vehicles aren't touching each other. If they are, it could cause a
ground connection you don't want. You wouldn't be able
to
start your
vehicle, and the bad grounding could damage
the electrical systems.
A
You coufd
be
injured if the vehicles
roll,
Set
the
parking brake firmly
on each vehicle. Put an automatic transmission in P park) or
a
manual transmission in N (Neutral).
If you have a four-wheel-drive vehicle with a manual transfer case
shift lever,
be sure
the transfer case is not in
N
(Neutral).
. . .
3. Turn off the ignition on both vehicles. Turn off all lights that aren't
needed, and radios. This will avoid sparks and help save both batteries.
And
it
could save your radio!
NU
I Ibt
Using
a
match
near
a battery
can
cause battery gas to explode,
People
have
been
hurt
doing
this,
and some
have bean
blinded. Use
a flashlight i f you need more light.
You don't need to add water
to the
Dei# Freedoma battery installed
in
every new GM
vehicle. But i f
a battery has
filler caps, be sufe the
right amaunt of fluid is there. If
it
is low,
add
water
to take care of
that first, i f you don't, explosive gas could
be
present.
8attery
fluid contains acid that can bum you. Don't get it
on
you. If
you accidentally get it in your eyes or
on your
skin,
flush
the pface
I
with water and
get medical help
immediately.
4.
Open the hoods and locate the batteries. Find the positive
(+)
and
negative (-) terminals on 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 could be damaged, too.
5-4