interior lights

my dome lights wont work with doors open or with switch on dase my map lights work but my cargo lights wont come on either i hear a cliking noies on dash when doors are closed and i turn on manual switch but no lights when you leave keys in or lights on and open door the door chime works am i just missing something easy here or is it something major it is a 2005 ford f350 crew cab xl drw 4x4 6.0 any help would be great