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Hey guys I have a question to ask for a friend of mine. He has been doing some work on his 2015 F250 crew cab XL lately and is having trouble with some of his lights in the cab. Specifically the passenger side reading lights in both front and back. He had replaced the head unit and ran new cabling to add a couple amps and a sub. After putting things back together he noticed that the underhood light wasn't working as well as the dome lights. Found that a fuse was blown. He replaced it and everything started working again until he would turn on one of the passenger side reading lights. He had replaced the bulbs with led replacements from recon as well in case that matters. Is their some sort of relay that is not working that would happen to seperate out just those passenger side reading lights? I had him check with a bolt meter and he said that he has no voltage to the sockets on the passenger side while he has 12+VDC to the drivers side. Are these light physically wired differently from side to side? What can he check next? Thanks for your help!
I am thinking you are right as well. Just wondering why it's on the passenger side that is effected? Any ideas on what wires to look for? Colors and where they all run?
If I was doing it the hard way, I'd star a back trace front the lights. Since I don't like to do it the hard way, I'd find the wire diagram. I remember recently that someone on here said if you sign up for my autozone and add your vehicle you can get access to wiring diagrams. Another option is to try the free trial with alldata if you haven't already.
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