1980 Plymouth Horizon/Dodge Omni Service Manual (Plymouth Horizon Models: Horizo By Chrysler Corp Books / Paperback Transportation › Automobiles Publisher: Chrysler Corp, January 1979 Price $37.58 Free Shipping Send to a friend Used - Good Good condition. (cars vehicles automobiles maintenance) $37.58 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.