LEDs for fog lights not working. - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
 
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post #1 of 6 (permalink) Old 07-07-2015, 01:09 AM Thread Starter
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LEDs for fog lights not working.

So I bought h3 LED bulbs. Tested them out of the fog light houseing and they worked. Inside the housing they don't. I'm wondering what I need to do to make them work?

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post #2 of 6 (permalink) Old 07-07-2015, 02:43 AM
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LEDs are sensitive to polarity. Is it possible that the + and - connections are connecting to the wrong terminals of the LED ?
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post #3 of 6 (permalink) Old 07-07-2015, 02:48 AM Thread Starter
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LEDs are sensitive to polarity. Is it possible that the + and - connections are connecting to the wrong terminals of the LED ?
Its possible, but I tested both. Unless both are wired wrong. Which would mean I would have to fix it myself. But Like I said, I did test it off the car and it worked fine. They also really only connect one way like the stock bulbs.
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post #4 of 6 (permalink) Old 07-07-2015, 03:01 AM
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My guess is that when you tested it off of the car, the polarity was correct, but the polarity when connected through the vehicle harness is backwards. It would be the same issue that you run into when wiring aftermarket HID kits for the headlights. With them you either have to slip the connectors together in the opposite directions so that the clips do not secure them to each other, or pull one of the connectors apart and switch the wires around to correct the polarity.
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post #5 of 6 (permalink) Old 07-07-2015, 03:04 AM Thread Starter
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My guess is that when you tested it off of the car, the polarity was correct, but the polarity when connected through the vehicle harness is backwards. It would be the same issue that you run into when wiring aftermarket HID kits for the headlights. With them you either have to slip the connectors together in the opposite directions so that the clips do not secure them to each other, or pull one of the connectors apart and switch the wires around to correct the polarity.
I'll have to try that tomorrow. I'll switch the plugs around.
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post #6 of 6 (permalink) Old 07-07-2015, 03:07 AM
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Polarity bees wrong.
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