All items are tested before they are listed, unless otherwise stated. If you have any questions concerning interchange email us or contact your technician. Be sure to compare part numbers before purchasing. These are used parts, while they are in working condition, you should expect some dirt, scratches, fading, or other signs of use. Electreonics parts may require programming before use. By purchasing this item, you are agreeing to have inspected the item for condition, color, and interchange.