LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 1990 >> Step Van 7.4 N, Standard >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel - Standard & Electronic >> Description & Operation >> Speedometer/Odometer Operation >> Astro, Safari, G, S & T Series

Astro, Safari, G, S & T Series

Integrated circuits control the needle type air core speedometer and the stepper motor driven odometer. Speedometer/odometer receives its signals from the Digital Ratio Adapter Controller (DRAC), which receives its input signals from the Vehicle Speed Sensor (VSS).