Interior lights on all the time.
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Interior lights on all the time.
My interior light will not shut off. Except when I turn the marker light or headlights on. My truck is a 2006 F350 lariat Dualy. It has automatic headlamps. I’ve changed the headlight switch. The truck has a new cluster in it. I’ve checked all the fuse and changed all the relays. It seems like the lights are getting power from somewhere else. I have all the bulbs pulled out including the two in the third brake light just so I don’t kill my batteries. The doors all register in the dash when opened or closed so I don’t think it’s a door switch issue. Anyone else ever has this issue. I am fresh out of ideas. Any help would be great. Thank you.
Logistics Pro
Joined: Nov 2004
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To the left of and behind the steering wheel on the dash is a spin dial that dims the interior lights. If you turn it all the way up, it turns them on. Make sure that’s not on. It’s easy to accidentally do thst when you’re cleaning in thst area.
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All the doors register as opened on the dash when opened then do the same when closed. Besides if it was a door trigger why would turning on the marker light or headlights make them turn off. I have the full Ford wiring diagram for this truck and can’t find any corilation between the two systems.
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Well I figured it out. I decided to pull the headlight switch out again. I then noticed it looked a little funny we’re on entered the wrap. The wires were burnt almost 6 inch up the harness. I bought this truck a few weeks ago and have been trying to figure this out since day one. There was an aftermarket remote start and a bunch of extra lights strobes and such. Just remember people. Just because someone thinks they can wire aftermarket stuff into a vehicle doesn’t mean they should.
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