Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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We recently purchased a home. The garage door opener is an older Sears Craftsman model : 139.53635srt1. The previous owners (who lived there about two years I think) did not use the keypad that is installed and have no idea what the previous code was and there is no manual for this unit. Can someone help me change the code? Also, we only had one remote which was not working so I went to the Sears store and was talked into getting the Universal Radio Conversion Kit 953751 with the black button remotes. They claim that this can be used to allow the black button remotes to work with our current motor. Has anyone had luch with this? I

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The conversion kit you purchased from Sears will work with any door opener and has the latest security feature but the bad news is your keypad will not work with it. If you want a keypad you must make sure it is 315 mhz and Security +. It would be Sears latest model.

Posted on Dec 29, 2010

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I have a chamberlain/craftsman garage door keypad from previous home owner and do not know the old password to reset my own. How do I reset the password without knowing the old one?


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