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Old 06-26-2017, 04:39 PM
 
110 posts, read 110,794 times
Reputation: 121

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Hey All,

I have replaced my MR16 bulbs in track lighting with LED. I have also changed the dimmer to LED compatible, but I am still getting flicker.

Do I need to bypass the ballast in the picture, or maybe replace with an LED Driver (if so, which one)? Not sure where to go from here.

I was thinking to just cut out the ballast and put wire nuts on both red and black, but don't want to burn the house down!
Attached Thumbnails
MR16 Track Lighting LED Conversion Help-img_5282-1-.jpg  

Last edited by LISSailor; 06-26-2017 at 04:59 PM..
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Old 06-26-2017, 08:27 PM
 
Location: The Berk in Denver, CO USA
14,028 posts, read 20,343,555 times
Reputation: 22749
High-quality LED lamps or crap?
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Old 06-26-2017, 08:52 PM
 
Location: Johns Creek, GA
12,567 posts, read 48,820,695 times
Reputation: 14229
Pin or bayonet?
Low voltage or line voltage?

Did you try a regular switch (no dimmer)- result?
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Old 06-27-2017, 07:42 PM
 
110 posts, read 110,794 times
Reputation: 121
They are decent quality bulbs. ~$6/ea so about avg for LEDs.

They are 12v bulbs and I have confirmed the trach lighting is also 12v.

Not sure what to do now besides replace the heads. But, apparently no one makes LED 12v track lighting heads anymore.

hmmmmmm
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Old 06-27-2017, 08:56 PM
 
Location: Johns Creek, GA
12,567 posts, read 48,820,695 times
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Switch?
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Old 06-27-2017, 09:15 PM
 
28,441 posts, read 71,042,000 times
Reputation: 18396
Default That is NOT a "ballast"!!!

Quote:
Originally Posted by LISSailor View Post
Hey All,

I have replaced my MR16 bulbs in track lighting with LED. I have also changed the dimmer to LED compatible, but I am still getting flicker.

Do I need to bypass the ballast in the picture, or maybe replace with an LED Driver (if so, which one)? Not sure where to go from here.

I was thinking to just cut out the ballast and put wire nuts on both red and black, but don't want to burn the house down!
That is a transformer! It you try to bypass it you will create a very dangerous situation -- sending 10x the voltage that the luminaire is designed for.

The bulbs ought to be from a reputable source --
Light Bulbs Etc, Inc.: MR16 LED Bulbs

You also need the correct type of dimmer -- but even if you do get a fancy dimmer you need to be sure it is compatible with the LED bulbs, too low a wattage of the bulbs means you'll get the strobing -- https://a89b8e4143ca50438f09-7c1706b...pdf?1442943477

If you don't have LED bulbs of 8 watts or greater it is unlikely they will work with the dimmer...
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Old 06-29-2017, 06:36 PM
 
110 posts, read 110,794 times
Reputation: 121
Quote:
Originally Posted by chet everett View Post
That is a transformer! It you try to bypass it you will create a very dangerous situation -- sending 10x the voltage that the luminaire is designed for.

The bulbs ought to be from a reputable source --
Light Bulbs Etc, Inc.: MR16 LED Bulbs

You also need the correct type of dimmer -- but even if you do get a fancy dimmer you need to be sure it is compatible with the LED bulbs, too low a wattage of the bulbs means you'll get the strobing -- https://a89b8e4143ca50438f09-7c1706b...pdf?1442943477

If you don't have LED bulbs of 8 watts or greater it is unlikely they will work with the dimmer...
Thank you for your reply. The dimmer says LED/CFL compatible. The bulbs are very similar to what youre suggesting I purchase, so I do not think that is the solution.
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Old 06-29-2017, 06:53 PM
 
9,520 posts, read 14,823,688 times
Reputation: 9769
If you're getting flicker, most likely your dimmer is NOT compatible. Some LEDs are not compatible with some so-called "universal" dimmers.
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Old 06-30-2017, 03:48 AM
 
4,545 posts, read 8,423,561 times
Reputation: 6533
I would start by buying one new LED track head. LINK

If that works well, it would seem the transformers are not working well with LED and dimmer combo.
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