The Geotab HRN-CM24Y1 harness is designed for custom installs where multiple connection points are needed to access engine data and engine protocols. The harness includes an ALDL connector on one end for the GO device, a white 6-pin Molex connector for one OBD connection, a black 12-pin Molex connector for a second OBD connection, and a second 6-pin Molex connector for a J1939 connection. Replaces HRN-INTCPDUAL