1991 Chevy Truck Transfer Case - Trans-Action
The display/programmer is where all trans data is displayed and adjusted with easy pushbutton steps. This controller tells you what gear you're in, tranny temp, battery voltage, engine rpm (when tach wire is installed), speed, line pressure, throttle position, and when the torque converter is locked up. Additionally it can be used for all types of performance testing such as accelerometer, dynamometer, and stopwatch.
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