Left rear door ajar light on display. Also after Truck is shut off or turned on interior dome lights stay on.

 

Switch would be my first thought

 

Open the door. Look at the rubber wire jacket going from the door to the cab. Peel that back and you will find a broken green wire. This is a common break since it gets pinched.

 

Very common issue for our trucks. I tried fixing (soldering and heat-shrinking) the broken wires in the black rubber tube between the door and the B-pillar in my '10 SCrew a couple times but ended up replacing the whole wire harness for the door. The fixes lasted a couple months, but so far the new harness has been good for a year. Hopefully it'll stay good for the same six years that the factory wires did.

My advise is to check for broken wires in the black rubber accordion tube first, and then when you inevitably find them, get a new door wire harness from your local dealer and fix it right the first time.

 

Overheard at a glass recycle plant Why the last time I saw that door it was a jar !!!!!!!!!!! Sorry I just had to do that.

 

Is the wire broken inside the green so non visable or cut through my 2015 f250 alarm goes of when it s armed cause it senses the door open up