Question about Liftmaster, Chamberlain, Sears Door Bracket

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Have 2 sensors and a keypad that connects to 4 terminals on the back of the motor. 1 red 2 whites and a black. What goes where?

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The wires and the terminals are color coded. Just follow the colors and you will be set.

Posted on Jul 28, 2009

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1 Answer

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Which control panel?
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http://waterheatertimer.org/images/T-106-control-208-277V-4-40.jpg
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During a garage remodel, my Sears automatic garage motor was unplugged and the wire going from the motor to the push button on the wall had to be cut and spliced back together. Door wouldn't go down on...


Make sure the solid white wire from each door sensor is attached to terminal #2 and the white wire with the black tracer is attached to terminal #3.

The solid white wire from the wall control goes to terminal #2 and the white wire with the red tracer goes to terminal #1.

If the green light in the wall control is blinking press and hold the lock button for 3 seconds.

Nov 20, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Wiring for model Number 139-53663srt2


White wire with red tracer from wall control goes to terminal #1.
Solid white wire from wall control and each door sensor go to terminal #2.
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Oct 19, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Breaker keeps tripping when turning on pump.


The red and black wires if ran correctly are the load lines(power). The white is neutral or ground. If its a 1/2 to1-1/2 hp motor connect the red and black wires to terminals #1 and #4. If its 2 hp use #1 and #4. If its 3 hp use #2 and #4. Connect the white wire to the green colored screw. A grounding conductor should always be connected under the green grounding screw, which is located within the terminal compartment of the motor. You can check the breaker for the wire colors, one should be black and the other red. The white wire should be terminated to the neutral/ground bar in the can.

May 16, 2010 | AO Smith 1 HP 115/230V 56C Replacement...

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I need to know the order to connect the wires


The solid white wire from each sensor goes to terminal #2 and the white wires with the black tracer go to terminal #3.

If the wall control is also connected you should end up with one white/red wire on terminal #1, 3 white wires on terminal #2 and 2 white/black wires on terminal #3.

Apr 30, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My wiring for my garage door opener is messed up at the sensors. i am looking for a diagram to show proper wire connections.


If you look at the wires from the sensors you will find one wire from each sensor is solid white and the other is white with a black tracer. The white wire from each sensor goes to terminal 2 on the back of the motor unit and the white wires with the black tracer goes to terminal 3.

Oct 21, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

How do i conect the low volt wire ( the safty eye and the button wire)?


The terminals on the rear of the motor unit are both numbered and color coded. The white wire with the red stripe from the wall control goes to terminal 1. The solid white wire goes to terminal 2. The 2 white wires with the black stripe from the sensors go to terminal 3 and the 2 solid white wires go to terminal 2. You should end up with 1 wire on terminal 1, 3 wires on terminal 2 and 2 wires on terminal 3.

Sep 23, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Sensors


I think someone has used wiring that didn't come with the opener. One the rear of the motor unit are wiring terminals. The sensors connect to terminals 2 and 3. Whichever color wire is connected to terminal 2 goes to the screw marked white and the wire on terminal 3 goes to the screw marked black. This information is if you have a Craftsman or Chamberlain opener.

Sep 02, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Need to know wiring scheme on back of garage door opener


join both wires the white one with the white one, and the white with black strip, with the same other, then connect it on the back of the motor the white wires with the white terminal (a white square) and the white with the black strip with the black terminal (a black square) .. check that both leds of sensors are on

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

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