Nitro 2WD V6-4.0L (2007)
Speedometer Head: Description and Operation
Description
DESCRIPTION
A speedometer is standard equipment on all instrument clusters. The speedometer is located in the center of the instrument cluster, between the
tachometer and the minor gauge set. The speedometer consists of a movable gauge needle or pointer controlled by the instrument cluster circuitry and a
fixed 210 degree primary scale on the gauge dial face that reads left-to-right either from 0 to 120 or 140 mph, or from 0 to 240 km/h, depending upon
the market for which the vehicle is manufactured.
Each version also has a secondary inner scale on the gauge dial face that provides the equivalent opposite units from the primary scale. Text appearing
on the cluster overlay below the high end of the scales abbreviates the unit of measure for the primary scale (either MPH or km/h), and below the low
end of the scales abbreviates the unit of measure for the secondary scale.
The speedometer graphics are white, gray and black against a black field, making them clearly visible within the instrument cluster in daylight. When
illuminated from behind by the panel lamps dimmer controlled cluster illumination lighting with the exterior lamps turned ON, the graphics retain their
unilluminated colors and appearance. The orange gauge needle has internal optical illumination. Gauge illumination is provided by Light Emitting Diode
(LED) units soldered onto the instrument cluster electronic circuit board.
The speedometer is serviced as a unit with the instrument cluster.
