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I'm on leave in Louisiana, I just replaced all my lights (brake,turn,reverse) with led lights I got pulled over tonight because I have no running lights. Brake lights work reverse lights work and turn signals work. But the running lights don't work. When I installed them I blew a fuse but replaced it and no issues bit it was day so I guess I didn't notice that they didn't work. But when I hit the alarm they work no issues? I even tried replacing all the bulbs with the stock lights and it does the same thing. I'm worried because I have to drive into the city tomorrow at night and I don't know anything about electrical. A buddy said it could be a relay or ground but I'm lost! It's a 06 2500 crew cab.
 

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running light issues

They are just less from a eBay store is there any way to fix this
Some of the electrical circuits on these trucks are too delicate.
You need to find leds with same resistance or trick computer with resistors added in circuit.
I would put all stock lights in.
Check all your fuses,relays again.
Disconnect batteries maybe computer will reset itself
Hopefully you just blew fuses or relay otherwise fried pcm.
look in attached post for more info.
http://www.cumminsforum.com/forum/3rd-gen-non-powertrain/389388-no-marker-lights-clearance-ights.html
 
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