Diode to Prevent Backfeeding for Charging Trailer Battery with Solar and 12 Volt Accy Circuit
Question:
We have a trailer that we are adding a 50-watt solar panel to charge a battery mounted in the trailer. We would like to tie into the dome light electrical feed within the trailer to serve as a backup charge to the trailer battery. It is our understanding that we would need to tie the positive lead from the solar and the positive lead from the dome light into a diode isolate to run to the battery and a negative lead from the solar panel coupled with the negative wire from the dome light into a separate diode isolate prior to connection to the positive and negative on the battery. We desperately need to know what type of diode could handle these two different types of power. Both the solar panel and trailer are 12 volt. However we are concerned the 50 watt solar array and the trailer light system will not be able to run in a standard trailer light diode. Please advise
asked by: Joe S
Expert Reply:
We have diodes like the part # RM-790 that you could use to isolate the charge circuit from your trailer wiring so that it could charge the battery when needed but would prevent the solar panel power from backfeeding onto the trailer wiring circuit since it would be connected at same time.
Product Page this Question was Asked From
Roadmaster Hy-Power Diode - (Qty 1)
- Accessories and Parts
- Tow Bar Wiring
- Diodes
- Roadmaster
more information >
Continue Researching
- Shop: Roadmaster Hy-Power Diode - (Qty 1)
- Shop: Roadmaster Single Park Light Diode
- Q&A: Maximum Amp Rating of Roadmaster Hy-Power Diode
- Q&A: How to Wire the Roadmaster Single Park Light Diode # RM-690
- Shop: Hydrastar Electric Over Hydraulic Actuator Adapter Module for Ford and Chevy Brake Controllers
- Q&A: Troubleshooting Incompatibility Error Brake Controller 2024 Chevy Silverado 3500
- Video: Hydrastar Brake Actuator HBA-CAM Review
- Video: Roadmaster Hy-Power Diode Review
- Video: Review of Roadmaster Tow Bar Wiring - Single Park Light Diode - RM-690
- Video: Review of Roadmaster Tow Bar Wiring Diode - RM-790
- Video: HydraStar Electric Over Hydraulic Disc Brake Actuator Installation - 2017 Grand Design Solitude Fift
- Shop: Roadmaster Battery Charge Line Kit for Towed Vehicles
- Shop: Seaflo Battery Disconnect Switch for Boats and RVs - On/Off - 900 Amps
- Q&A: Is there a Way to Wire Trailer Rear Loading Lights to Work with Reverse Light Circuit on 7-Way
- Q&A: Which Side of Roadmaster Diode Goes to RV and to the Towed Vehicle
- Q&A: Is Diode Needed to Prevent Trailer Battery from Backfeeding to Breakaway System
- Q&A: How Does Trailer Battery Charge
- Video: Gen-Y Torsion Weight Distribution Shank Review
- Shop: Gen-Y Torsion Weight Distribution Shank - 2-1/2" Hitches - 7" Drop/Rise - 2,400 lbs TW
- Shop: Gen-Y Torsion Weight Distribution Shank - 2" Hitches - 6-1/2" Drop/Rise - 1,100 lbs TW
- Shop: Trailer Wiring
- Article: Trailer Wiring Diagrams
- Video: B and W Companion OEM 5th Wheel Hitch with Slider Installation - 2022 GMC Sierra 2500
- Search Results: wire
- Search Results: weight distribution hitch
- Article: How to Measure for Trailer Hitch Drop
- Shop: Trailer Hitch
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Search Results: air bags
- Shop: Suspension Enhancement