Voltmeter - GMC SIERRA 1995 Manual

Voltmeter
When your engine
is
not running. but the ignition is i n
the
R U N position.
this gage shows your battery's state of charge in DC volts.
When the engine is running, the gage shows the condition of the charging
system. Readings between the low and high wat-ning zones indicate the
normal operating range.
Readings in the low warning zone may occur when a large number o f
electrical accessories are operating in the vehicle
and
the engine is left
a t
an
idle for an extended period. This condilion is normal since the charging
system is n o t able to provide full power a t engine idlc.
As
engine speeds are
increased, this condition should correct itself
;IS
higher engine speeds allow
the charging system to create nwximum power.
You can only drive For a short time with the reading i n either warning zone.
If
you must drive, turn off a l l unnecessary accessories.
Readings in either warning zone indicate
a
possible problcm in the electrical
system. Have the vehicle serviced as soon
as
possible.
2-82