Tow vehicle & trailer side. 5-way flat connector is most commonly found on boat trailers that have hydraulic brakes. Fifth wire is hooked up to the reverse light circuit on the vehicle which then sends a signal to the hydraulic coupler to disengage the trailer brakes. 5-pole flat wiring connector will still work w/most 4-pole flat connectors.
Products specifications
| Manufacturer | MARLAN |
| SubCategory | Trailers, BOATING-TRAILERS |
| Category | BOATING |
| Stock Status | Out of Stock |