My Snap-on Vantage PRO has the pinouts and connector locations.

Should be 5 connectors for the ECM, total 122 pins. Not all pins are used in all connectors.

Connector E8 'E' has 22 pins, top of ECM

Connector E7 'D' has 28 pins

Connector E6 'C' has 17 p... Login to read more.