J1939 Quad Cable has a key (a small

has a key (a small tab sticking out of the side of the pin housing)

Tune Your MEFI Controller

12654117 MEFI 6B

This is a trimmed-down version of our MEFI Scan & TuneTM system for the user that just wants to do scanning / monitoring

The 94 and 95 cars that are equipped with the OBD2 style connector actually have OBD1 ECM/PCM systems behind them

J1939 Quad Cable has a key (a smallQuad expansion cable for J1939 systems. This cable includes one Female (sockets) connector to plug into your vehicle connected to four Male (pins) bulkhead connectors. This allows you to plug four accessories into one vehicle bulkhead connector. 6 contacts are Y'ed through to the two vehicle side connectors: A: Ground B: Battery C: J1939 High D: J1939 Low F: J1939 J1708 High G: J1939 J1708 Low