Connecting with Cummins Software.

J1939+ 21
J1931- 45
GND 49 & 50
+12V 25 & 26
IGN 5 (switched)

Connecting With V2

GND 49 & 50
+12V 25 & 26
IGN 5 (switched)

Please Fill in the blank for CAN H&L and additional information if you have.