The Black Jack Trailer Jack Harness Kit saves you time and money by not having to source components when installing your Black Jack Trailer Jack. The ‘DIY’ Harness kit provides the correct protection and process, making your installation a breeze. 

BLACK JACK DIY HARNESS FEATURES:
• Suitable for Caravans and Trailers.
• DIY saving you time and money on install.
• One size suits most applications.
• Easy to install components.
• Hardwired for your safety.