Can I take out my switches under my radio and replace them with the ones that have the auxiliary switches and my regular switches?

[scottmayhew]

Can I take out my switches under my radio and replace them with the ones that have the auxiliary switches and my regular switches?

 

[dieselscout80]

Can I take out my switches under my radio and replace them with the ones that have the auxiliary switches and my regular switches?

Look here.

Thread 'DIY: Add Aux Switches to 19+ Ram 2500 Laramie 6.7L'

Feb 1, 2023

There are quite a few threads about Adding Aux switches and AlfaOBD to our trucks out there. I did hours of reading them and watching numerous videos on it as well as messages back and forth to get this installed on my truck. I wanted to make a DIY for someone else that wants to do it and keep it as factory as possible yet fairly easy to accomplish. Here are the steps from gathering the needed parts , programming the truck.

UPDATE: Below is the video for making the harness. Ill add the video of installing the harness as soon as I get it edited.

Here is Part 2 of the...

• RHD_Godzilla
• Replies: 198
• Forum: Modifications and Accessories

• 

 

[Brutal_HO]

Keep in mind that thread is for a diesel truck that already has the Aux PDC because they have the electric cabin heaters.

OP hasn't indicated what truck he has.

 

[sstoner911]

Post in thread 'Auxiliary switches'

Feb 24, 2026

https://www.cumminsforum.com/threads/adding-aux-switches.2543123/

• sstoner911

 

[Olive2022HO3500]

You can switch the switch panel, but the AUX switches won't work unless you add all the wiring and relays in the PDC to your truck. My 2022 has the fues box, but none if the wiring and relays, so to make the AUX switches work you need to add all of that to this fues box. It is not plug and play!