What is Needed to Add 7-Way Wiring Harness to 2023 Ram ProMaster 1500
Updated 02/17/2026 | Published 06/17/2024
Question:
I have a 2023 RAM Promaster and Im looking for 7 way wiring. Preferably plug and play. I will also need a brake controller in the future. What do you have?
asked by: Ryan
Expert Reply:
Hi Ryan,
We have exactly what you are needing to add a 7-way to your 2023 Ram ProMaster 1500, and what you can use is the following:
- Tekonsha OEM Replacement Vehicle Wiring Harness w/ Brake Controller Adapter - 7 Way Trailer Connector # 22112
The # 22112 says "Replacement" but it isn't a replacement at all, it is simply the wiring needed. It is partially plug and play, with a portion of it plugging into your taillights, though you will need to make a connection to your battery terminal.
The other thing this harness comes with is a brake controller adapter so you can plug in a Tekonsha brake controller and for that you definitely want to go with the most reliable, which is the Prodigy P3 Brake Controller # 90195.
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Jesse M.
2/17/2026
Hey Ryan, how did the wiring go with the Tekonsha harness on your ProMaster? Did the partial plug-and-play setup make the job easier? Your update could make it easier for others adding a 7-way and brake controller to the same van.