38013R adapter is needed for Genie Series III opener. Here’s how to connect 38013R adapter. GDB——[wire]——38013R adapter—–[wire]—–Genie opener terminals For 38013R adapter, Make sure the side with “Opener” label is
These openers are NOT compatible. 1. Liftmaster/Chamberlain/Craftsman/Raynor security+2.0 openers are not compatible. If the learn button on your Liftmaster/Chamberlain/Craftsman/Raynor is yellow, that means it is security+2.0. To support these openers,