break lights work on the trailer but not the truck

[Caine espinoza]

whats up guys, i have a 2004 ram 1500 5.7 "hemi magnum" and i use it as my work truck so most of the time im pulling an enclosed trailer with it. i pulled up at my buddies house tonight and he noticed that the brake lights on my trailer were working but not the brake lights on the truck. all the running lights and blinkers work on the truck and all of the lights work on the trailer but the brake lights dont work on the truck. so we unplugged the trailer lights to see if maybe the truck brake lights would start working but nothing changed.
i havent looked too far into it and the trailer stays hooked to the truck so its not that big of a deal right now i just thought it was weird and was curious if anyone has had a simular problem.
let me know what yall think, thanks.

 

[Rlaf75]

Does the cab mounted brake light work on the truck? Check fuses and the brake light switch

 

[gofishn]

yep, fuse or, and this would be funny, bulbs burned out, one adn then the other, just went and you never noticed it.

and, no, its never happend to me.nope, never, don;t care what my Wife says, she lies I tell you

L I E S

 

[GTyankee]

Open the trailer plug on the truck
spray some

CRC QD Electronic Cleaner ​

or

LPS Contact Cleaner​

into the receptacle, it is quick drying
Then you could scratch the contacts up using a wire brush

just a bit of corrosion in that plug could mess with your whole wiring system

 

[Caine espinoza]

Does the cab mounted brake light work on the truck? Check fuses and the brake light switch

no the cab mounted brake light on the truck doesnt work either, ill check out the fuse and switch.
i figured it was a fuse or something but it was late lastnight when we noticed it so we didnt really look too far into it, the trailer lights were working so i just sent it.
thanks for the feed back, i really appreciate it.

 

[Caine espinoza]

thanks for the feed back guys, i appreciate it.