I have a new model 139.53778 remote to replace an old model 139.654031 transmitter. It doesn't work. Why?
The opener is a model 139.653000. It has no "learn" button or code switches for programming. The existing receiver model is 139.652021. It has code switches...
by Scott SowersAlthough the technology sounds like something out of a James Bond movie, stating your car by pushing a button is not that complicated. ...
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