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Unread 12-18-2014, 09:53 PM   #1
Andythetechie
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2007 JK Wrangler 
 
Join Date: Mar 2014
Location: Louisville, KY
Posts: 3
Fog Light Circuit

I installed a new bumper with LED lights in it. I wired the LEDs into the wiring for the fog lights since they are not in the new bumper. A few nights ago I noticed that even with the jeep turned off the LEDs had a slight glow to them like they were getting minimal power. They would turn on as they should so it took a while to notice the low power draw that eventually killed my battery. Has anyone else come across this? How can I use the foglight wiring with LEDs without it drawing power when turned off?
Thanks!

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Unread 12-19-2014, 06:09 AM   #2
ultrabullit
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2012 JK Wrangler 
 
Join Date: Jul 2010
Location: alabaster, Alabama
Posts: 63
I haven't seen anything about them staying on with a dim glow, mine would flicker for about 30 seconds after turning the jeep off. Found out this was due to the CANBUS sending out test signal to the lights looking for blown bulbs, apparently it is just a small spike that has just enough power to fire an LED but not a filament bulb. The cure for my flicker was to wire a relay directly in-line with the lights. Power to the lights thru the relay and still use the factory circuitry to trigger the relay.
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Unread Yesterday, 01:50 AM   #3
JTB488
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2014 JK Wrangler 
 
Join Date: Oct 2014
Location: Fremont, MI
Posts: 14
Double check all your connections. 07's don't have Canbus so that shouldn't be causing your issue.
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Unread Yesterday, 10:16 AM   #4
ultrabullit
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2012 JK Wrangler 
 
Join Date: Jul 2010
Location: alabaster, Alabama
Posts: 63
Quote:
Originally Posted by JTB488 View Post
07's don't have Canbus .
Did not know this, thanks for the correction.

OP- I would do like JTB recommended and check all connections especially the ground. A bad ground can cause lots of gremlins.
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