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Topic: Low Beam Lamp Socket Polarity Question Reply to Thread
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  Topic Review (Newest First)
05-23-2019 08:57 AM
cowboyt Yep, that's how LED's are done. Incandescent bulbs don't have polarity, but LED's do. If it doesn't flip on one way, then try the other.
05-21-2019 07:28 PM
CLK 430x
Low Beam Lamp Socket Polarity Question

I had the same issue, I couldnít tell from the wire and I didnít have a voltage meter. So I flipped it, in till the bulb turned on. [emoji2955]


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05-20-2019 12:15 PM
hages1456
Low Beam Lamp Socket Polarity Question

2008 E350: I am upgrading to Hikari LED bulb and they need to insert their plug with the correct polarity. So the OEM plug for this H7 type socket has one with two wires and one with only one. Which is positive and which is negative?

Appreciate your assistance!
Rod

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