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

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Old 1/3 hp sears craftsman garage door opener

I have an old garage door opener that I no longer use (I used it once just after I moved in 6 years ago and it started smoking) and I want to disable the timer on the light so it will stay on all the time. Anyone have any idea how to do this? I have already disabled the button controls by the door for manuel control, but the light still turns off. Can anybody help?


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There is no way to defeat that timer. It is programmed into an integrated circuit on the logic board.

Posted on Jun 15, 2009

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Might be misaligned or one is bad.
Door will close if you hold in the garge close button until it's all the way down.
And it will open on it's own.
You can get these off ebay.

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