Owners of 1962-82 chevy trucks can now connect to their trailer lighting in minutes with our easy to use adapter harness. Our plug-n-play adapter harness features the correct mating parts, and mates perfectly between the rear lamp intermediate harness and rear lamp harness. The extra leads on the adapter run to the lighting connection on the trailer and are color coded to industry standards further simplifying the installation. Includes instructions. Fits trucks only.