i have'd check all the fuses by the steering column the are good , brake light switch replaced it , and still doing it , replace light bulbs but nothing yet
i have a 94 nissan hardbody all the ligth work perfect except my brake lights?
on 1994 Nissan Pickup (D21)
check for power and ground at the light sockets
seek help from good electrial shop
replace your combination switch on steering column-had same problem-part is 50-75 available aftermarket