Do I Need Brake Light Relay For Demco Stay-In-Play DM86VR On A 2025 Ford Maverick Hybrid?
Updated 03/02/2026 | Published 02/28/2026 >
Products Featured in This Question
Question:
I am going to purchase a DM86VR for my 2025 maverick hybrid. Do I need to purchase the Roadmaster brake light relay? Anything else I need to install this? Thanks!
asked by: Daniel U
Expert Reply:
Hey Daniel, thanks for reaching out. The Demco Stay-IN-Play Duo Braking System # DM86VR will work great on your 2025 Ford Maverick Hybrid. You will not need a brake lite relay to install the braking system. You will need to install a charge line kit # RM-156-25 to keep the battery topped off. That's the only other electrical component you would need to add. The charge line is best paired with a diode wiring kit like the Roadmaster # RM-15267.
Are you needing any other parts for your flat tow setup?
Product Page this Question was Asked From
Demco Stay-IN-Play Duo Braking System for RVs w/ Hydraulic Brakes - Wireless Monitor - Proportional
- Flat Tow Brake System
- Brake Systems
- Proportional System
- One-Time Setup
- Vehicle Battery
- Fixed System
- Power Assist Brake Compatible
- Hydraulic Brakes
- Wireless Display
- Demco
more information >
Featured Help Information
Instructions
Continue Researching
- Q&A: Is Demco Stay IN Play DUO Inline Air Pressure Regulator Needed For 2025 Ford Maverick Hybrid
- Shop: Demco Tabless Base Plate Kit - Removable Arms
- Shop: Vehicle Tow Bar Brake System
- Search Results: demco stay in play duo
- Shop: Base Plate for Tow Bar
- Search Results: brake light relay
- Shop: Demco Stay-IN-Play Duo Braking System for RVs w/ Hydraulic Brakes - Wireless Monitor - Proportional
- Search Results: flat tow wiring harness
- Video: Demco Stay-IN-Play Duo Braking System Step-By-Step Installation - 2025 Ford Maverick
- Shop: Roadmaster Brake-Lite Relay Kit for Towed Vehicles
- Search Results: roadmaster charge line
- Search Results: battery charge line kit
- Search Results: base plate for tow bar
- Video: How to Install the Roadmaster 4-Diode Universal Wiring Kit - 2025 Ford Maverick
- Search Results: roadmaster brake switch
- Video: Review of Demco Flat Tow Brake System - Inline Air Pressure Regulator - DM88UV
- Video: How to Install the Demco Tabless Base Plate Kit - 2025 Ford Maverick
- Shop: Vehicle Tow Bar Wiring
- Shop: Roadmaster 4-Diode Universal Wiring Kit for Towed Vehicles - 7-Way to 6-Way Coiled Adapter Cord
- Shop: Demco Stay IN Play DUO Inline Air Pressure Regulator
- Video: Installing the Roadmaster Battery Charge Line Kit on a 2025 Ford Maverick
- Video: Roadmaster Towed Vehicles Brake-Lite Relay Kit - 2024 Ford Maverick
- Shop: Roadmaster Stop Light Switch Kit
- Q&A: Recommended Diode for Charging Line From Motorhome to Towed Vehicle (Toad)
- Shop: Roadmaster Battery Charge Line Kit for Towed Vehicles
- Q&A: Recommended Leveling System for a 2018 Thor Motor Coach Gemini 24TX
- Video: An In-Depth Look at the Demco Stay-IN-Play Duo Braking System for RVs w/ Hydraulic Brakes
- Q&A: What Flat Tow Braking Systems Are Available For The 2025 Ford Maverick
- Q&A: Recommended Curt Flat Tow Braking System for a 2018 Ford F-150
- Q&A: Parts Needed to Flat Tow 2024 Chevrolet Silverado 1500 Trail Boss



Daniel U.
3/2/2026
Thanks! I watched the e-trailer install video of the stay in play duo on a 2025 maverick and they show you need a brake light switch as the factory switch is unusable. They do show a part number. Is that correct and if so what is the part number? Thanks!