1994 Nissan Truck Rear running lights dont work

Electrical problem
1994 Nissan Truck 6 cyl Four Wheel Drive Manual

My rear running lights or my license plate lights dont work. The brake lights work fine and my front running lights work. I did try to replace the left front blinker a while ago and the socket fell out. I just noticed that my running lights werent working so I dont know if there is a corolation between the two. Any help would be appreciated.