* 4L60E: A four-speed automatic overdrive transmission. This was the most prevalent option.
* 700R4: A four-speed automatic overdrive transmission, though less common in '96 than the 4L60E. It was likely phased out by then, but might be found on some early production models or specific configurations.
* Manual Transmissions: Several different manual transmissions were available, but details would require knowing the specific engine and trim level. These were less common than the automatics.
To know for sure what transmission a specific 1996 Chevy C1500 has, you'd need to check the vehicle's identification number (VIN) or look at the transmission itself. The VIN can be decoded to reveal the transmission code.