The right side brake light isn't working but the bulb works when the lights are switched on so I am assuming it is an electical fault.

I have to think the problem is inside the turn signal switch, a poor internal connection. You know the brake signal first goes through the turn switch before it goes to the bulbs. That is why the brake lights and rear turn signal lights share the same filament in the bulb, and the same wire going to those lights. The only difference is the turning side light is affected by the turn signal flasher, causing blinking, while the other side- the non turning side-does not go through the flasher relay, but straight to the bulb from the turn signal switch. Change your turn signal switch and I believe you will solve the problem. Let me know, okay?

disconnect turn signal switch wires @ column, put power to wires to brake lights. that cks wiring to lights. next put power to wires through turn signal to ck switch. Power runs from brake light switch to turnsignal switch, to lights.

change the bulb if still out then check and test socket/ground wiring/wire harness for damage

THAT RIGHT IF BRAKE SWITCH BAD NO BRAKE LIGHT WILL WORK.SPRAY ELECTRICAL CLEANER IN BULB SOCKET BULB SOCKET COULD HAVE OXIDATION AND CORROSSION CAUSING POOR CONTACT.

You do not have a separate fuse for each side, if the left side works, replace the bulb in the right side that isn't working.

I am assuming that the right (passenger side) turn signal light (blinker) is working fine. This will usually mean that the electronic flasher is not malfunctioning due to the fact that one side still works.

Since the right side brake light is working, I can also assume that the brake light switch is okay.

It is possible that more than one bulb may have been out. The quickest way to test this is to turn on the hazard lights and slowly walk around the vehicle. Make a note of which lights are flashing on one side of the car and compare that to the other side. One bad turn signal bulb (front or rear) is enough to prevent that whole side from blinking. It is also possible that a single bulb is responsible for both turn signal and stoplight. Make certain that the bulb that was replaced was not the back-up bulb. Replace all other bulbs found to be burned out.

And finally, check to see if there is power to the bulb socket. If it is a double-contact socket, there should be power to one of the contacts for "parking lights", while the other contact should be for "brake lights". Make sure the correct bulb was installed.

If the high level brake light works, then the brake light circuit is fully functional.

Brake light bulbs may LOOK fine, but can still have failed. Often folks don't notice that one bulb has failed until the second one has blown; it's then easy to incorrectly assume that the fault is more complex.

Try replacing the brake light bulbs: if that doesn't work then please report back for additional options.

I assume you checked all the fuses. if all the brake lights are not working it could be the brake switch.if the third brake light is working and the two side lights are out it could be a turn signal switch problem. The stop light circuit also runs through your turnsignal switch.

try working the turn signal switch since brake lights are routed through it-sounds like the right turn section of ts switch isn;t disengaged

hi simple one the brake light bulb replace the bulbs brake light filiment has gone on one side droped on to the lights circiut hence press brake light headlights come on and vise versa yates210456