Replaced dimmer switch doesn't work right

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  #1  
Old 05-10-14, 02:18 PM
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Replaced dimmer switch doesn't work right

We bought a house with several dimmers that don't always get turned off because the dimming is by partially throwing the switch. I bought some Lutron 3 way dimmer switches with the slide on the side.
I replaced one, and now the 3 way part doesn't function right. I can turn the light on or off from my new dimmer, and it dims properly, but the other switch only works if the dimmer is off. It's as if the switches don't communicate anymore.
 
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Old 05-10-14, 02:24 PM
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So tell us about all the wires and connections at both switch boxes.
 
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Old 05-10-14, 02:44 PM
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Also tell us which Lutron switches you bought. Some will not work in tandem with other dimmers. You have to use a dimmer in one location only.
 
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Old 05-10-14, 03:10 PM
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The new switch is a Lutron toggled TG-603PH
There are not 2 dimmers. I replaced dimmer with dimmer
The dimmer has 4 wires into it. The ground wasn't attached on the old dimmer but I attached it on the new where instructed.
The instructions said one wire would be connected to a screw of a different color. The old dimmer didn't have screws, it had yellow, red and black wires coming out of the back. I took the wire connected to yellow and connected it to my different color (common)
Dimmer box has red, black, white and bare copper.
Other switch has 2 black and 1 white to switch. Farther in the box is the ground floating around like the opposite side. This box has wires paired together farther back with the nut connections
 
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Old 05-10-14, 03:18 PM
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I didn't describe it right. If the light is on, either switch can turn it off. If the switch is off, the only one that will turn it on is the one that turned it off.
 
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Old 05-10-14, 03:33 PM
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Sounds like a traveler on a common.
 
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Old 05-10-14, 03:48 PM
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The yellow and red were probably the travelers.
 
  #8  
Old 05-10-14, 04:31 PM
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Thumbs up

Thanks!
I got it fixed.
The red wire from the box was the common. I don't remember what color it was connected to on the old dimmer
 
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