Recommendation for a 4-Way Flat to 5-Way Flat Adapter for a Boat Trailer
Updated 09/25/2012 | Published 09/23/2012 >
Question:
I just picked up a boat trailer that has a 5 pole connection. But I have a flat 4 on my truck. Do you have a adapter for this or do I need to rewire or make a pigtail. And if I pigtail do you know the connections to be made? Thanks
asked by: Karl
Expert Reply:
We do have an adapter to go from a 4-Way on a vehicle to a 5-Way on a trailer. You can use # 20036. The extra blue wire will get wired into the reverse light circuit on the vehicle. The 5th wire on a boat trailer 5-Way is usually for an electric reverse lockout. When the vehicle is placed in reverse it sends a signal back to a solenoid on the actuator and does not allow the brakes to engage.
Product Page this Question was Asked From
Adapter 7 Pole to 5 Pole Flat Wired Adapter
- Custom Fit Vehicle Wiring
- Wiring Adapters
- Universal Fit
- 7 Blade to 5 Flat
- Plug and Lead
- Optronics
more information >
Featured Help Information
Miscellaneous Media
Continue Researching
- Q&A: Is etrailer Still Carrying Draw-Tite Hitches
- Article: How to Fix a Bad Trailer Ground
- Q&A: Replacing 5-Way on Trailer that Has 8 Wires
- Q&A: Replacement Jack that Fits the Weld On Mounting Bracket for Fulton F2 Jacks
- Q&A: Replacing 5-Way of Trailer that Has Two White and Brown Wires
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Q&A: Replacement Tires for Yakima Rack and Roll
- Q&A: Are Towing & Tongue Weights Correct For Trailer Hitches on 2024 Hyundai Ioniq 5
- Article: Trailer Wiring Diagrams
- Q&A: What Is The Tread Size For The # 42 Spindle?
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: Wiring Trailer Lights with a 5-Way Plug (It's Easier Than You Think)
- Article: Trailer Drum Brakes vs. Disc Brakes: Making the Decision
- Article: Is It Illegal to Leave My Hitch on My Truck?


