Marinco 12VBPS 3-Wire Connect Pro Plug Only Single HoleMarinco ConnectPro Plug Only Model: 12VBPS The ConnectPro trolling motor plug and receptacle system is a revolutionary concept in trolling motor DC connections. The superior electric current carrying capacity of the ConnectPro system eliminates problems that rob motors of power and reduce battery life. The ConnectPro system also features a locking plug and receptacle with a spring clamping connection that provides a secure electrical contact.