Colors of wires on the vehicle the switch lines up with.
2010-2018 6.7L Dodge Cummins
| SWITCH | VEHICLE |
| Red | Pink/Yellow |
| Purple | Brown/Orange |
| Black | Dark Blue/Grey |
2019-2021 6.7L Dodge Cummins
| SWITCH | VEHICLE |
| Red | Blue/Pink |
| Purple | Red/Brown |
| Black | Dark Blue/Grey |