Engineered exclusively for Porsche vehicles withfactory 19-pin OBD1 ports (pre-2000 models like the 968, 993, and 964), this adapter bridges legacy diagnostics with modern OBDII tools. 19-Pin Protocol Match : Reverse-engineered to Po-rsche’s 19-pin OBD1 specification (pins 1:K-line, 2:GND, 3:BATT, 4:IGN, 5–19:CAN/auxiliary), this adapter eliminates signal interference for pre-2000 air-cooled and early water-cooled systems.
