Description For Porsche 19 Pin Round Diagnostic Connectors 19 pin diagnostic connector for For Porsche. The design is based on a contact housing with removable pins. These pins are tin plated, and can either be soldered or crimped. Two shell halves and a strain relief complete the design. Made of enforced nylon, these connectors are durable and offer a perfect fit. Applicable for all For Porsche car models from 1989 through 2000 (and some models up to 2002). Cars from 1996 through the later years do have a OBDII connector, but do not provide full diagnostic access - only the ECU is accessible via the OBDII port.