Power Wire from Battery to motor Solenoid under hood. 2 gauge wire, two sizes up from OEM except this is also WELDING CABLE. Welding cable is much more flexible compared to battery cable. This cable is 36" long, and has solid copper lugs with a 5/16" hole in each lug.. See Related Items for 24" standard cable, and 24" welding cable upgrade. We make these cables in house. Cable is Made In the USA.