Hi, I have a 2008 F350 Super Duty Regular cab long bed 4X4 I have no cargo light and no third Brake light, checked and even replaced bulbs. Still have no lights up top, can anyone tell me what to check or how to fix this? Can I tie the cargo light into the dome light inside without screwing something up? I can't understand why they stopped hooking the cargo light to the dome light but this one seems to be wired separate. Would love to get these lights working again. When I bough t the truck the cargo light didn't work and I thought maybe the bulbs were burnt out, I never checked the brake light I tried to get the cargo light working and that's when I found out the brake light didn't work either.

 

Have you checked you owner's manual for a fuse location that controls this light?

go here and download an owner's manual if you don't have one

https://owner.ford.com/servlet/Conte...e&ord=20630312

 

The HMSL and the cargo light are on separate fused circuits with nothing in common except their ground. Start there.

The cargo light is supposed to come on with the running board lights (if equipped).

 

I have checked the fuses and they are good, it doesn't have lighted running boards. does anyone know where the ground is connected to? The truck also will go into program mode for electric locks but won't accept a remote. Ford dealer said he never saw anything do that before. They looked up the build sheet and it came "less remote entry" does this control have anything to do with the lights?