The Automatic Transmission Spark Control Switch DS-123 is a standard part designed for a 1992 Pontiac Trans Sport. It is an OEM part with OE numbers SWX309, SWX311, DS123, and HLS1. The switch comes with a 90-day manufacturer warranty and is sold individually. The manufacturer part number is DS-123, and the SKU is SMP:DS-123. This part is crucial for controlling the spark in the automatic transmission of the specified vehicle model.