Thats only if your bench flashing using J1939 that you need the 120ohms resitor. If you are doing it in chassis you can just connect the cummins inline adapter to the 3pin flat plug 2 wire harness behind the intake horn and connect it to J1939+/- and you should have full control of it with Insite/Calterm. I built my own harness and literally just plug into the correct pins on a 9pin truck adapter from Nexiq and the usb to laptop and am good to go. 2 Wires and a 9 pin adapter is all you need. But i had the 9 pin male terminals and everthing to build into my harness. I think cummins makes a harness to plug into there though if you don't want to make your own.
I seen Quadzilla makes and sells a 3 pin Delphi to a 3 Pin deutsch(think I spelled that right) cable for pretty cheap. My Inline 6 came with all sorts of cables, OBD2, the 3 pin Deustch connector cables and some others but nothing for the 3pin Delphi connector for the backbone under the intake horn. Tried through the OBD2, laptop comminactes with the adapter just fine but couldn’t get anything through the OBD2. Thanks for the information, greatly appreciated!
Cummins unlock cable would work from edge or every EZ Lynk comes with one too.
I do have one for an MM3 but I actually use it for an MM3 on my personal truck, just don’t want to hack it up so I can connect the inline 6.
I recently tried to connect to a 2014 with insite to calibrate a new turbo actuator. I tried the flat 3 pin under the hood and made my own adapter. I was using inline 7 and it would not communicate with the ecm?
Hey Blackshadow, Was wondering if you could attach some more pics on where you connect the two pins of that harness on the 9pin truck adapter To make it compatible with cummins insite. lol i really want to try to this on my 6.7l but been working on hd cummins isx engines, would appreciate the help man and also wondering will it work with newer ram ecms too if you've tried it cuz i only work on semi trucks. Thanks!
Last edited by dieselking1313; December 21st, 2019 at 05:51 AM.