HELP: whats wrong?

[muddybuddy]

ok, my door locks stopped working. i went and got a new fuse and disconnected the battery and then put it in and reconnected battery and then they worked again. i started the truck up, and then it stalled out. i started it up again and then the door locks no longer worked. whats wrong? i gatta get it fixed asap so i can sell this thing.
thanks

 

[R72K5]

its a metal case circuit breaker, theres two, one is power windows and otrher is for locks

check it or swap the two and seee if locks work then

if not then its something else, broken switch or wire plug loose or corroded

check grounds too