Locating OEM Plug for 7-Way on 2022 Ram 5500 Cab and Chassis
Question:
I have a 2022 Ram 5500, cab and chassis, with an aftermarket utility box. I cannot find an OEM plug for this wiring harness. Do you have any suggestions on where it will be. Also, is this wiring harness confirmed to fit this truck. There are two OEM Plugs with caps on the rear cross member, but neither of them match the image on your site nor have power to them for lights. The dealership does not have a part for a trailer harness. I hope you can help. Thanks.
asked by: Ed B
Expert Reply:
The OEM plug that would allow you to use the # HM40975-11933 should be found at the rear of your 2022 Ram 5500. Everything indicates that your truck has the rectangular factory plug that would allow you to use this wiring harness. Typically this would be found behind a cover for the 7-way but I don't have an exact location for a 5500 cab and chassis.
If you still can't find it you could check for a brake controller port. This would have the brake output wire that runs back to the 7-way so you could trace it back to find the plug. You might also want to check your fuse box. If you have fuses for the trailer wiring I'm willing to bet you have the connector somewhere. If all else fails, you might want to try swinging by the dealership to see if they can locate it.
If it turns out you don't have the factory wiring, you can install an aftermarket 7-way on your truck. You will need the # C59236 to add a 4-way. Once installed, you can use the Universal Installation Kit for Trailer Brake Controller # ETBC7 to upgrade it to a 7-way.
(click to enlarge)
(click to enlarge)
Products Referenced in This Question
Curt Powered Tail Light Converter with 4-Pole Flat Trailer Connector
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- Converter
- Universal Fit
- 4 Flat
- CURT
more information >
Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires
- Accessories and Parts
- Trailer Brake Controller
- Installation Kits
- etrailer
more information >
Product Page this Question was Asked From
7- and 4-Pole Trailer Connector Socket w/ Mounting Bracket, Chrysler/Dodge OEM Plug Adapter
- Custom Fit Vehicle Wiring
- Trailer Hitch Wiring
- No Converter
- Custom Fit
- 4 Flat
- 7 Round - Blade
- Pollak
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: Trailer Wiring Diagrams
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Q&A: What is the Difference Between a 4-Way and 7-Way Trailer Connector
- Article: Brake Controller Installation: Starting from Scratch
- Article: How to Choose the Right Trailer Hitch Class
- Q&A: Recommended Trailer Connector And Wiring Harness For 2014 Jeep Wrangler Unlimited With Tow Package
- Q&A: How to Wire a 7-Way Trailer Connector on a 2008 Dodge Ram 3500
- Q&A: What Type of Battery Does the Replacement Remote for Air Lift WirelessONE Compressor System Use
- Article: Which Sway Control Hitch is Right For Your Trailer?
- Q&A: Parts Needed to Install 7-Way and Brake Controller in 2015 Dodge Durango
- Article: Ram Trailer Tow Prep Package
- Q&A: How to Wire Trailer Connector on Jeep Wrangler for European 7-way
- Q&A: High Speed Rating Trailer Tire Recommendation ST175/80R13
on Custom Fit Vehicle Wiring
