Using the ECM to Control

Non-Jacobs Exhaust Brakes

You will need this pigtail to connect the brake wiring to the ECM.
Cummins Part Number 3824810

Connect the pigtail show above to pin 20 of the ECM

Schematic for the Dodge/Jacobs e-brake system connected to the ECM
You will need to adapt your e-brake installation to accomodate the ECM control