Voltmeter Gage - GMC 1997 Jimmy Owner's Manual

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Voltmeter Gage
When your engine is not
running. but the ignition is
on
(in
the RUN position).
this gage shows y o u r
battery's state of charge i n
DC volts.
VOLTS
When the engine
is running, the gage shows the
condition of the. charging system. Readings between the
low and high warning zones indicate the normal
operating range.
Readings i n the low warning mne m a y occur when
a
large number of electrical accessories are operating in
the vehicle and the engine
is left at an idle for an
extended period. This condition is normal since the
charging system
is
not able to provide full power at
engine idle.
As
engine speeds are increased, this
condition should correct itself as higher engine speeds
allow the charging system to create maximum power.
You can only drive f o r a short time with the reading in
either warning zone. I f you must drive, turn off a l l
unnecessary accessories.
Readings i n either warning zone indicate a possible
problem i n the electrical system. Have the vehicle
serviced
as
soon as possible.
2-74

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