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Wall control unit in roof plug wire is loose - Heating & Cooling

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Posted on Jun 05, 2011

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SOURCE: How to connect 2 lights from wall unit to wall plug

the electrical department in Home Depot or Lowe;s have double , triple adapters for outlets. BUT You need an Electrican to rewire wall switch for a switch control of an outlet....just like in a living room when you enter from outside.. it turn your lamps on.

Posted on Dec 04, 2011

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Overall I have a switch at each end of the garage with two lights in the roof in between. Sw (A), Lite (B), Lite (C), Sw (D). SW A & D work as three way. I want to change out Sw D to a wall plug a

If this is what you've got:

"S3" are 3 way switches, black screws are the common or shunt. (Adjust colors of wires to what you have).

You can easily change it to look like this:


All S3s are out. Replace one with an S1 (single pole). The other S3 is now the outlet. Silver screw for neutral gold screw for hot. Outlet is always on, S1 controls both lights.

Please note: There are several ways to wire 2 three way switches (S3) to control a light or two. This is just one with a way to change this method to the way you're look for. Your wiring may not allow you to do this as easily.

Good luck!

May 08, 2014 | Electrical Supplies

1 Answer

How to connect 2 lights from wall unit to wall plug

the electrical department in Home Depot or Lowe;s have double , triple adapters for outlets. BUT You need an Electrican to rewire wall switch for a switch control of an outlet....just like in a living room when you enter from outside.. it turn your lamps on.

Dec 04, 2011 | Pioneer Audio Players & Recorders

1 Answer

I have 2 craftsman garage door units. 1 units light goes off on the wall mount. Power to the unit is not an issue. When I double checked the wiring, light will go back on and unit will function but click...

It sounds like you either have a bad (loose) connection at the motor unit, bad wiring or a staple cutting through the insulation and shorting out the wires to the wall control. You can check the voltage between terminals 1 and 2 on the motor unit, There should be 24vdc there and also where the wires connect to the wall control. Check when the light is off.

Sep 30, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I replaced the seal under my coleman rooftop AC unit and when I did it I tilted the AC unit on it's side while replacing the seal. After putting it back together the unit will not cool. The fan blows...

I suspect that something has shifted and is causing you trouble. If you can give me the model number off the base of roof unit, and tell me whether it's mechanical controls at ceiling or thermostat on wall would certainly help to describe proper procedure for troubleshooting. Don't give up yet, may be quite simple. First of all shut all power off to unit and go up on roof and remove the 4 screws and lift cover off. Take a look for any damage especially at top of compressor where wiring is going in. Remove the 2 nuts at top of compressor holding cap on over connections and take a look for loose or broken wires or connectors under there. If not experienced with any of this, use a pair of insulated needle nose pliers to be safe, to wiggle wires etc., otherwise please ask someone experienced with electrical.
Then if that's looking good, follow wires from compressor back to cover on side which is usually held on by a screw and remove it. You should see (if right model) some round and oval capacitors. Check to make sure none of them have shifted around and wires are touching each other or any metal around them. If you find any loose or off terminals, use pliers only and keep hands on insulated part of pliers to replace it. Let me know what you find. REMEMBER!! If your not experienced in this area, don't touch it and wait for someone who is. Capacitors store lots of voltage, even when power is off, and can be very dangerous.!!!

Jul 03, 2011 | Coleman Mach III Air Conditioner

1 Answer


Can you tell me what brand or model of thermostat it is on the wall. Most likely that is at fault, but without model, I can't tell you which wires to disconnect to verify that.

Mar 06, 2010 | Coleman Heating & Cooling

1 Answer

Wall control does not light up,the unit has power one day it just stop working.

Check the wiring from the opener to the wall control. May be a broken wire and a loose connection.

Feb 19, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Durotherm Model 57915.331 - not cooling properly

Yes, you should remove the upper cover and check the back side of the condenser as Duo-Therms pull air in from the sides and blow it through the coils from inside the shroud. This usually will cause the compressor to shut down, but only after running for awhile. When you notice that the unit is not cooling as well, or not at all, got up on the roof and remove the shroud, check to see if the compressor is actually running. If the compressor is shut off, the problem lies elsewhere in the system. Check to see if the compressor is cycling on and off or if once it is off it stays off.
If you have a wall thermostat control, check for 12VDC power at the yellow wire when the compressor is off. If power is present, then remove the control box from inside the inner shroud of the unit and check for power at the yellow wire in the there. If it is still present, check for 120VAC power at the compressor relay (black wire with Purple or Blue wire). If the purple or blue wire have 120VAC power, then the problem is upstairs either with start capacitor or the thermal overload (located on top of Compressor). If there is no power at the purple or blue wire, try unplugging the freeze control and jumper the connection on the board (blue connection, white wires) with a small piece of wire, if the compressor comes on and runs, then you have a bad freeze control. If not, then you have a bad control board.
If you have manual controls on the ceiling unit, you could have a bad thermostat. Unplug power from the unit and remove the two wires on the back of the thermostat. With an ohmmeter, check for continuity between the two terminals, if there is, turn the knob and watch the meter. You should not lose connection until the temperature you set is above the temp. inside the unit. If this is ok, then you need to check the selector switch. Also check the components in the upper unit as described in the above paragraph.

Hope this helps,


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Jun 24, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

Coleman Mach III 13,500 btu ducted roof air conditioner

Did you plug upper unit (on roof) into lower control unit (inside). Not to insult you, because i've done it myself, in a rush situation. Breaker on? Sure you didn't mix up any wiring?

Jun 29, 2008 | Coleman Mach III Air Conditioner

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