Craftsman GDO Wiring Question

davidmitchellAugust 9, 2007

I've got an old Craftsman GDO which I recently got a Liftmaster 65 wired keypad for. The GDO has four terminals: white red black and yellow. The red and white are the primary control of course. Does anyone know what the black and yellow terminals are for? I'm hoping one of them can be used to provide power for the keypad so that I don't have to install a transformer or keep replacing the batteries. Thanks in advance,

David Mitchell

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There were 4 wires with the same color code as those terminals. They went to the Craftsman keypad and wall control. I am not familiar with the Liftmaster 65 keypad but there is some chance it will work as they are both made by Chamberlain.

    Bookmark   August 9, 2007 at 6:16PM
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