s13 Brake lights wont turn on when headlights are on

[irun240sx]

when the headlights are on, all the lights are normal but one goes out when i push the pedal while the others brighten

i tried replacing the lights.. same problem.

[dallasb53]

when the headlights are on, all the lights are normal but one goes out when i push the pedal while the others brighten

i tried replacing the lights.. same problem.

explain so i can help..

[sr20det-s14]

if I read it right his running light on one side goes out and the brake light on the other side gets bright and the only light that's working when brakes are being pushed

[dallasb53]

did this just randomly start or was it like this when you bought the car?

i hate doing wiring when i have it all in front of me, this is going to be fun troubleshooting over the internet lol

[JustCallMePirate]

is this for a coupe?