This Rywire chassis-specific adapter is made for 1997–2001 Honda Prelude manual-transmission models and converts the two-pin core connector for use with Rywire harnesses. The adapter is a service item intended to simplify wiring integration between the vehicle chassis connector and Rywire components; the description advises sending the two-pin core connector to Rywire as part of the adapter process.
Rywire 97-01 Honda Prelude (Manual) Chassis Specific Adapter (Send Two Pin Core Connector to Rywire)