led taillight problem - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 03-23-2013, 03:24 PM Thread Starter
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Question led taillight problem

The leds came in today I bought leds for my taillights. I installed them and they work great except for one problem they will not light up for running lights. They light up when the brake is pressed, and when you give a turn signal. Anyone got any ideas?

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post #2 of 2 Old 04-01-2013, 09:15 AM
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Which lights did you get for one?
But I'd suggest grabbing voltage tester/meter.
Make sure you're getting at least 10v's (ideally 12v) to the lights.
Anything less - you've a short, corroded or a bad lead - possibly some bad ground somewhere.

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