This is the 4-pin diagnostic connector on the ECM555 / PCM 555harness. It includes 4 female crimp sockets and 4 seals Also Available Extra Sockets (5 pack) Extra Seals (5 pack) 4 Pin Diagnostic Port Connector, Test Equipment Side Connector Assemblyw/ 4 pinsw/ 4 Seals Extra Pins (5 pack) Seal is the same as above
4 Pin Diagnostic Port Connector, Test Equipment Side
OBD2 | GM OBD1 | Marine ECMs | MEFIburn | J1939 | Ramjet