led bulb that fits dome light?

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boywithatruck

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Jul 18, 2015
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Ram Year
2016
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5.7
went to swap out the back dome light in my 16 quad cab with a led bulb from sylvania the 578 bulb. the issue was that it fit in loose and i was unable to get the prongs on the roof assembly to get much tighter so the bulb was able to rotate and would flicker on and off due to the loose connection.

after inspecting the factory bulb i realized it was not a perfect circle on the ends like all the replacement bulbs so none of them fit tightly.

anyone know of a replacement led style that fits in nice and tight.
 

TRXHemi

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Sugar Land, TX
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2014
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Hemi 5.7
In my 2014, I used a 578 Festoon style bulb. I did have to make the prongs a little tighter, but it works just fine.
 
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