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Strange LED bulb / socket issue
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Author:  Vintage Beauty [ Fri Jun 03, 2016 5:29 pm ]
Post subject:  Strange LED bulb / socket issue

Hoping someone can point me in the right direction... Here is my issue:

I have 3 reading lights in my cuddy, they are identical and use 1141 bulbs. I decided to switch them to LED bulbs using these:
http://www.amazon.com/KDL-Replacement-Signal-Backup-Interior/dp/B013JQTYF8?ie=UTF8&psc=1&redirect=true&ref_=oh_aui_detailpage_o03_s00

Two of the fixtures are working great. The third fixture works with the original incandescent bulbs, but will not light the LED bulbs. I made sure all the LED bulbs worked in the "working" fixtures.
All the fixtures are getting around 12.4V.

Any ideas?

Author:  alex8q4 [ Fri Jun 03, 2016 7:20 pm ]
Post subject:  Re: Strange LED bulb / socket issue

My guess... The LED bases are a hair smaller, and you had minimal contact in the one socket to begin with. Now you have poor or no contact between socket and new base.

Author:  Vintage Beauty [ Fri Jun 03, 2016 9:03 pm ]
Post subject:  Re: Strange LED bulb / socket issue

alex8q4 wrote:
My guess... The LED bases are a hair smaller, and you had minimal contact in the one socket to begin with. Now you have poor or no contact between socket and new base.

My thought at first too... I wiggled the bulb around, pushed it sideways, etc. Also, This is the type of bulb that's spring loaded on the positive pin, and the negative base has "nubs" that lock into the socket. I would think this would all equate to a positive connection for both sides of the circuit.

Author:  Vintage Beauty [ Fri Jun 03, 2016 10:12 pm ]
Post subject:  Re: Strange LED bulb / socket issue

Just found a post on another forum for a similar issue. That person found that they had reversed polarity in the fixture. I'll be checking on that in the near future and will update if that is indeed the issue and if that solves my problem.

Author:  97_245_sd [ Fri Jun 03, 2016 10:34 pm ]
Post subject:  Re: Strange LED bulb / socket issue

I was just going to suggest that you check the polarity.

Author:  Vintage Beauty [ Sat Jun 04, 2016 2:11 pm ]
Post subject:  Re: Strange LED bulb / socket issue

Case closed!
Polarity was reversed on the fixture that wasn't working. Luckily I had easy access to the wiring under the dash to fix it.

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