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Trailer Lights won't work

3K views 8 replies 4 participants last post by  mudrunninpig 
#1 ·
I have a big Tex trailer. The turn lights work and the brake lights work too. The trailer lights won't come one at night when I turn the lights on on my truck. The trailer lights work on my dad's truck so I know it is my truck. I have 2003 King ranch f250 .Do any of you know what fuse it would be?
 
#2 ·
Its in the fuse box under the hood. Cant remember what number though
 
#4 ·
Thanks,
I don't think I have fuse box under the hood at all. The other thing I thought it might be is the big black trailer battery fuse but wasn't sure. It is strange that my turn/ brake lights work but no night lights at all. They work perfect with my dad's f150 so it has to either be a fuse or the actual connection at the back.
 
#6 ·
Yes you do have a fuse box under the hood. Its on the drivers side in front of the master cylinder
 
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