 LED Failure Revisited, Oddesy Continues LOL |
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| 914Sixer |
 Mar 21 2019, 08:05 AM
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#1
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914 Guru  Group: Members Posts: 8,874 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region 
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The journey continues with the purchase of the new 4 element bulbs for the truck. Got the new set of lights installed. One fog light bulb DOA. Contacted seller and got a new one on the way. Bulb arrived yesterday, plugged it in DOA. (IMG:style_emoticons/default/lol-2.gif) Contacted seller again, two new ones on the way this time. High failure rate must be acceptable to quality control.
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| Spoke |
Mar 21 2019, 12:13 PM
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#2
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Jerry Group: Members Posts: 6,978 Joined: 29-October 04 From: Allentown, PA Member No.: 3,031 Region Association: None
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Bummer. They never lit up or lit up then quickly died?
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| ssuperflyoldguy |
Mar 21 2019, 02:51 PM
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Member Group: Members Posts: 173 Joined: 15-November 15 From: NorCal - East Bay Baby! Member No.: 19,364 Region Association: None |
QUOTE(Spoke @ Mar 21 2019, 10:13 AM)  Bummer. They never lit up or lit up then quickly died? Make sure you check the "bad" bulb in another base (that is if they have bases) if it lights up the base is possibly bad. (archaic lighting knowledge from before LED's...) |
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| 914Sixer |
Mar 21 2019, 03:32 PM
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#4
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914 Guru Group: Members Posts: 8,874 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Never lit up. I tested the socket with old school bulb and a 2 element LED and both worked.
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| Superhawk996 |
Mar 21 2019, 05:00 PM
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#5
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914 Guru Group: Members Posts: 5,777 Joined: 25-August 18 From: Woods of N. Idaho Member No.: 22,428 Region Association: Galt's Gulch
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Just a thought. (IMG:style_emoticons/default/idea.gif)
LED's are a Light Emitting Diode. Diodes only conduct in one direction. LED's only conduct with proper polarity applied. Take one of the DOA ones and reverse polarity and see if it works. China quality control being what it is, they may have the terminal connections within the LED reversed. Long shot but what do you have to loose? Now if it works you still have a problem because I'd never suggest reversing polarity on the vehicle. More of a science experiment. |
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| rhodyguy |
Mar 21 2019, 05:05 PM
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#6
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Chimp Sanctuary NW. Check it out. Group: Members Posts: 22,071 Joined: 2-March 03 From: Orion's Bell. The BELL! Member No.: 378 Region Association: Galt's Gulch |
Seems like a lot of work for some lumens.
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| 914Sixer |
Mar 22 2019, 05:44 AM
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#7
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914 Guru Group: Members Posts: 8,874 Joined: 17-January 05 From: San Angelo Texas Member No.: 3,457 Region Association: Southwest Region
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Plugs on the LED's are directional and only go one way. But that does not mean they were not wired backwards. I will give it a test later today.
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