OER Parts offers a wide selection of Battery Accessories for your 1966 Ford Ranch Wagon. OER Parts offers 1966 Ford Ranch Wagon Battery Tender, 1966 Ford Ranch Wagon Battery Managment System, 1966 Ford Ranch Wagon Dual Battery System Controller Set, and 1966 Ford Ranch Wagon Battery Relocation Set. Battery Mat Battery Topper Battery Terminal Protectors Battery Post Cleaning Brush Battery Terminal Puller