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

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Craftsman twin cylinder 19.5HP, no spark on plugs with switch interlock wire removed from the ignition module. Cleaned magnet and set gap to .010 (recommended setting on coil) wrapped wire on threads of plug and attached to ground. What should resistance reading be on coil contacts. Joe

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Hi,
I was able to solve the problem after I scanned several answers that were given on your site. The ignition module was defective and I purchased a new one, set the gap and it fired right over. Thanks for a great site. You saved me a $100.00 service call.
Thanks again,
Joe from Austin, IN

Posted on Aug 05, 2008

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The wired keypad (Chamberlain) of my garage door is not working. The red light on the keypad keeps blinking. Can someone tell me how to fix that? FYI, the garage opener, the remote, and the wall unit all...


You can try programming the keypad using the procedure below.

To program the keypad, first unplug the garage door opener from the electrical outlet. Next, remove the nameplate from the console that the keypad plugs into and locate the program/operate switch. Flip the switch to program. Next, enter your desired four-digit PIN number into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.

Mar 14, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

How to reset code for keypad after reattaching wires


To program the keypad, first unplug the garage door opener from the electrical outlet. Next, remove the nameplate from the console that the keypad plugs into and locate the program/operate switch. Flip the switch to program. Next, enter your desired four-digit PIN number into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.


Mar 05, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Entered 4 digit passcode and doesn't have a enter button. What do I do?


Sounds like you have an old hard wired keypad. Make sure all the wires are connected. You can try programming it.

To program the keypad, first unplug the garage door opener from the electrical outlet. Next, remove the nameplate from the console that the keypad plugs into and locate the program/operate switch. Flip the switch to program. Next, enter your desired four-digit PIN number into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.



Dec 12, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Sears Craftsman key pad is about 20 years old. Need to re-program code. I know you hit a few numbers then the 4 digit code but I can't remember the #'s.


If it is a wireless keypad do this:

Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to the keypad and key in any 4 digit code you like and press enter.


If it is hardwired do this:

To program the keypad, first unplug the garage door opener from the electrical outlet. Next, remove the nameplate from the console that the keypad plugs into and locate the program/operate switch. Flip the switch to program. Next, enter your desired four-digit PIN number into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.



Oct 28, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Our password on our keypad won't work. Our friends tried to get in and I think they messed up the numbers too much. How can we get into it? (we do not have a "enter" key.


I'm guessing you have the hard wired keypad.

To program the keypad, first unplug the garage door opener from the electrical outlet. Next, remove the nameplate from the console that the keypad plugs into and locate the program/operate switch. Flip the switch to program. Next, enter your desired four-digit PIN number into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.

Nov 30, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

I have LiftMaster garage door model 41A3039 and Chamberlain wired keypad--how do I change the keypad code to open the garage door


To program the keypad, first unplug the garage door opener from the electrical outlet. Next remove the nameplate from the console that the keypad plugs into and locate the program/operate switch. Flip the switch to program. Next enter your desired four-digit PIN number into the keypad. Slide the switch back to operate and plug the garage door opener back in. The keypad should be programmed.

Jul 13, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Electrical problem with logic board or terminal block


do you see burn mark on board? Is so and unit is older than 15 years, buy new one.

Feb 12, 2009 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

Sears garage door opener


I just found the solution for my 'ancient' Sears garage door opener, model # 139.655000, and I figured I'd share it.

There's a separate radio module, wired to the main opener. This module is small, has a short wire/antenna, and plugs directly into an outlet.

There's a manual open/close button on this module (I didn't realize this until I got up on a ladder). This button is also a removable cover; underneath it is a "smart actuate" button -- this is your learn button.

What I did was: unplug the radio module. Pry off the cover. Plug the radio module back in. Hold down the button on the remote. Press the "smart actuate" button. This programmed my remote successfully!

Jul 09, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage Door Key Pad


Assuming, from what I read, the remote works..The inside switch is just a doorbell switch which will wear out or have the contacts get bent or dirty. Take off wall, and change for new one or see if the contacts can be cleaned or adjusted. If the pad is electronic (coded) the wires may be bad or the control defective. Usually momentary contact of the two wires will cause the door to actuate.

Apr 21, 2008 | Sears Craftsman LiftMaster Chamberlain...

3 Answers

Garage door won't close


your door travel screw is set to go too far on the downward travel. you need to set the down travel. It is set to go too far down. find the screw adjustment on the unit that says close and back off the screw a full turn until door stops short of floor. then start turning screw other way until door just touvhes floor.

Feb 24, 2008 | Sears Craftsman LiftMaster Chamberlain...

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