Roadmaster 156-25 Battery Charge Line Kit For Towed Vehicles Manufacturer: Roadmaster Availability: 11 in stock SKU: RDM156-25 Free shipping Roadmaster 156-25 Battery Charge Line Kit For Towed Vehicles $37.90 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend Shares: Battery Charge Line Kit For Towed VehiclesBrandname: RoadmasterPart Number: 156-25Description:Kit allows up to 15 amps from your RV's battery to be used to maintain the charge of your towed car's battery while the car is being towed. Charge line connects to the 6-way or 7-way plug on your vehicle. Requires separate charge line in RV.Features:Maintains the battery charge in your towed vehicle while the car is being towedConnects battery to 6-way or 7-way plug at the front of your towed carReceives power from your RVIncludes 14-guage wire, split wire loom, circuit breaker, and hardwareMade in the USA