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LED Bulb Replacement

2K views 10 replies 6 participants last post by  mrboots 
#1 ·
Looking at replacing 3157a turn signal/parking, 3157 rear brake/tail/turn, 194 license plate and 921 reverse/third brake/cargo blubs with led bulbs. My question if anyone knows is if there is only a need for a resistor on just the bulbs that are for the turn signals or is there a need for the others? This is on a 2010 ram. Thanks for the help!
 
#3 ·
+1, same thing here.
 
#6 ·
Did you try reversing them in the plug?
 
#8 · (Edited)
that'll do it heh

it looks like it would work either way but I had to troubleshoot that myself ;]
 
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