Astro, "C", "K" & "S" Series & Safari

The speedometer/odometer used with a standard instrument cluster is an electronic speedometer (electromechanical on "C", "K" and "S" series). Integrated circuits control the air-core speedometer and stepper motor odometer. The speedometer and odometer receive a signal from buffer or Digital Ratio Adapter Controller (DRAC), which received its input from vehicle speed sensor.