GNC 250XL GPS / Comm 14v. $1,200 USD OBO. Fully functional when removed from aircraft. I have no way of bench testing to show it turns on and I didn't take pics before removal. Once purchased you can install and try. If not satisfied then return it for a full refund. Buyer pays return shipping for refund. Offering a 30 day refund to insure you are happy with it.