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Why does a 95 Chevy 1500 4wd auto transmission not have throttle valve cable it has wiring harness instead?

A 1995 Chevy 1500 4WD with an automatic transmission doesn't have a throttle valve cable because it uses electronic throttle control (ETC), also known as drive-by-wire. Instead of a mechanical cable connecting the gas pedal to the transmission, a sensor in the gas pedal sends electronic signals to the transmission's control unit (often part of the PCM - Powertrain Control Module). This allows for more precise control and integration with other engine and transmission systems for improved performance, fuel economy, and emissions.