Wiring Diagram For Roadmaster 4-Diode Universal Wiring Kit RM-15267
Updated 08/07/2025 | Published 07/13/2025 >
Question:
I need a wiring diagram for the RM-15267 wiring kit. I cant seem to find an accurate video on how to wire the passenger side lights. My kit did not include a wiring diagram.
asked by: Stuart
Expert Reply:
Hello Stuart, thanks for reaching out. I have provided a picture showing the wiring diagrams for the Roadmaster Diode Kit # RM-15267. I have also included a link to the manufacturer instructions, as well as a link to our video showing installation on a 2016 GMC Sierra 1500.
I hope this helps. Please let me know if you have any other questions.
Product Page this Question was Asked From
Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord
- Flat Tow Wiring Harness
- Splices into Vehicle Wiring
- Diode Kit
- Universal Fit
- 7 Blade to 6 Round
- Roadmaster
more information >
Featured Help Information
Instructions
Continue Researching
- Shop: Curt RVi Series 4 Portable Flat Tow Brake System - Wireless Monitor - Proportional
- Shop: Base Plate for Tow Bar
- Search Results: wiring kit
- Shop: Vehicle Tow Bar Brake System
- Shop: Vehicle Tow Bar Wiring
- Shop: Blue Ox Base Plate Kit - Removable Arms
- Search Results: 12 volt outlet kit
- Search Results: rm766
- Search Results: roadmaster battery disconnect
- Search Results: battery disconnect
- Shop: Roadmaster Battery Disconnect for Towed Vehicle w/ Flat Tow Brake System - Gas Only
- Search Results: rvi towed battery charger
- Search Results: rm9332
- Shop: Curt RVi Series Breakaway System
- Q&A: Parts Needed to Flat Tow 2025 GMC Canyon
- Shop: Blue Ox Base Plate Kit - Removable Arms
- Shop: Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord
- Shop: Trailer Wiring
- Shop: Roadmaster Falcon 3HD Tow Bar for Blue Ox Base Plates - 10,000 lbs
- Video: Review of Blue Ox Towed Vehicle Battery Charge Line Wiring Harness - BLU44ER
- Video: How to Install the Roadmaster Universal Hy-Power Diode Wiring Kit on a 2024 GMC Canyon
- Video: Comparison of the Demco and Roadmaster 12 Volt Outlet Kits
- Shop: Truck Bed Bike Rack
- Video: In-Depth Review of the Demco Battery Disconnect Switch
- Q&A: Recommended Flat Towing Parts for a 2023 GMC Canyon
- Q&A: Blue Ox Tow Bar that Fits 2-1/2 inch Hitch Size
- Article: How to Choose a High-Low Adapter
- Article: Anti-Rattle Devices
- Video: Deka 2/0 Gauge Overmolded Battery Cable Harness Assembly Spec Review
- Video: Setting up the Blue Ox Base Plate Kit on a 2024 GMC Canyon



Jesse M.
8/7/2025
Hey Stuart, how did the installation go with the wiring diagrams and video for the Roadmaster Diode Kit? I'm curious to know if it helped solve the issue with your passenger side lights. Let me know if there's anything else I can do to assist!