The DEC differs from the DE model with the addition of headlights, taillights, and a horn. The High Range/Low Range capability was available in the 1966 through 1968 DEC. The Harley Davidson Golf Cart was manufactured from 1963 through 1982 and came in models DE, DEC, DEF, DE-3, and DE-4 Troubleshooting Harley Davidson Golf Carts…