MEFI5 Diagnostic Connector Kit, Harness Side Check your scanner's capabilities before

Check your scanner's capabilities before assuming this adapter will function for you

which is most every 1982 to 1995 GM car

This allows you to plug four accessories into one vehicle bulkhead connector

The 9-pin connector usually also has the J1708 interface on two of the 9 pins

If you have some other connector configuration other than the GM 12 pin (such as Lotus cars) or a mid-1980's GM car with the serial data on pin D

MEFI5 Diagnostic Connector Kit, Harness Side Check your scanner's capabilities beforeThis is the 6 pin diagnostic connector on the MEFI5 and MEFI6 harness. It includes 4 female crimp sockets. This same connector is used on many marine applications and is commonly called a Marine OBD interface (MOBD).