Is Diode Needed to Prevent Trailer Battery from Backfeeding to Breakaway System
Published 08/21/2015 >
Products Featured in This Question
Question:
I have a battery in my trailer that powers my lights inside. When the truck is towing the charge wire runs thru my breakaway system and on to my battery. The problem is when the truck is off my battery in my trailer back feeds and charges my trailer breakaway system. What do I need to prevent this?
asked by: Clay
0
Expert Reply:
Yes, you will want to use a single function diode, like part # RM-690. You will need to wire it in between the breakaway battery and the trailer battery to stop the backfeeding from the battery to the breakaway system.
expert reply by:
Leah S
0
Product Page this Question was Asked From
Roadmaster Hy-Power Diode - (Qty 1)
- Accessories and Parts
- Flat Tow Wiring Harness
- Diodes
- Roadmaster
more information >
Continue Researching
- Search Results: vehicle tow bar wiring
- Shop: Vehicle Tow Bar Wiring
- Shop: Vehicle Tow Bar Brake System
- Search Results: towed battery charger
- Search Results: blue ox trailer hitch
- Search Results: blue ox tow bar
- Search Results: blue ox hitch adapters
- Q&A: How to Prevent Backfeeding On Charge Line Kit
- Video: Easily Install Your Roadmaster 12 Volt Outlet Kit - 2026 Ford Bronco
- Shop: Blue Ox Patriot Portable Flat Tow Brake System - Proportional
- Shop: Blue Ox Towed Vehicle Battery Charge Line Wiring Harness
- Video: How to Install Your Roadmaster Smart Diode Kit - 2023 Ford Bronco
- Shop: Roadmaster Smart Diode Kit for Variable Voltage LED Tail Lights - 7-Way to 6-Way Adapter Cord
- Shop: Base Plate for Tow Bar
- Video: Installation: Blue Ox Patriot Portable Flat Tow Brake System on a 2022 Ford F-150
- Shop: Trailer Wiring
- Shop: Trailer Hitch
- Shop: Blue Ox Base Plate Kit - Removable Arms
- Shop: CURT RVibrake Towed Battery Charger+ for Flat Towing
- Shop: Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector
- Shop: Curt Trailer Hitch Receiver - Custom Fit - Class III - 2"
- Video: The Low-Down on the Roadmaster Single Park Light Diode
- Video: 2026 Ford Bronco DIY Installation - Roadmaster Smart Diode Kit
- Q&A: How To Install A Single Feed Diode To Prevent Backfeeding
- Q&A: Blue Ox Patriot Supplemental Braking System Power Draw
- Q&A: How Does the Charge Line from a Motorhome to Towed Vehicle Work Together
- Shop: Roof Rack
- Video: Install: Blue Ox Patriot Portable Flat Tow Brake System on a 2022 Jeep Wrangler Unlimited
- Video: Blue Ox Base Plate Kit DIY Installation - 2024 Ford Bronco
- Search Results: 12 volt breakaway battery

