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Help wiring LED strip 12v gnd

post #1 of 6
Thread Starter 
I bought a cheap led strip with two wires. I just assumed one was 12v and the other ground.

http://cgi.ebay.com/ws/eBayISAPI.dll...ht_3063wt_1139

I went ahead and wired the led wires with an old molex I had laying around like this



when I plug it in it doesn't work. Did i do something wrong?

I also tried reversing the positions of the red and black wire but nothing.
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post #2 of 6
If you plugged it in and it didn't work probably a bad strip. I mean you really cant plug a 4 pin molex in the wrong way. Reversing the wires wont do anything since leds can only have the polarity one way.
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post #3 of 6

Yellow wire is the 12v and black is the ground


Edited by Juggalo23451 - 1/11/11 at 10:57pm
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post #4 of 6
Thread Starter 
thanks juggalo that worked! i probably should have checked the pinout on more than one site to confirm.

god dang these things are amazingly bright and super cheap. I'ma get me some more!
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post #5 of 6
Quote:
Originally Posted by smartasien View Post
thanks juggalo that worked! i probably should have checked the pinout on more than one site to confirm.

god dang these things are amazingly bright and super cheap. I'ma get me some more!
Glad to of helped you out
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CoolingCoolingCoolingCooling
RX480 rad x2 MCP35x (X2) gentle typhoons 1850 rpm (8) xigamtek fans  
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post #6 of 6
On PSUs the standard is: Yellow = +12V, Red = +5V, Orange = 3.3V, Black = Gnd; where it gets confusing is that a lot of single voltage input powered devices use Red for the positive regardless of the actual voltage it uses, or some devices have a switch in the wiring harness and use yellow for the live and red for the switched voltage supply.
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