Will 3rd brake light fail MOT?
Will 3rd brake light fail MOT?
Is the third brake light an MOT failure? Answered by Andrew Brady. If you disconnect it, it will pass its MoT. The rules state that the benefit of doubt must be given to the presenter (you) so, if it doesn’t work at all, the tester has to prove that it’s connected.
What to do when your third brake light is not working?
When the lower lights do not come on and only the third-brake light works, the brake-light switch may be ruled out. Again try the emergency-flashers to check for wiring, socket and lamp problems. If the flashers work, check for blown fuses as a few vehicles use separate circuits for the lower and third brake lights.
Where is the ground connection for brake lights?
Locate the ground connection for the brake and tail lights. This will require you to remove the trim panels in some car trunks, which you can in some cases accomplish with a Phillips-head screwdriver or a small socket. The method will depend on the make of the car.
Where are the brake lights on a C / K 1500?
There is a switch. I think on most C/K 1500/2500 it is on the brake pedal arm or the arm hits it. It is $5-$10; you might take ALL your truck data to the auto parts store, buy a new switch, then look for the same thing around the brake arm or under the hood. There’s a fuse. Find the fusebox and look for “brake”. The Owner’s Manual may have clues.
Why are my rear brake lights not working?
nancy , Do you have rear signal lights? If bulbs, bulb sockets, fuses and brake light switch all appear to be good the fault is probably the turn signal switch.
Where are the brake lights on a Ford Expedition?
The most common location is the brake light switch . The good news is they are inexpensive and easy to replace. Your Expedition ’s brake light switch is under the brake pedal. It ALWAYS should have power running to it, even if the key is off.
When the lower lights do not come on and only the third-brake light works, the brake-light switch may be ruled out. Again try the emergency-flashers to check for wiring, socket and lamp problems. If the flashers work, check for blown fuses as a few vehicles use separate circuits for the lower and third brake lights.
Can a bad ground wire cause brake lights to not work?
A bad brake light ground connection will result in the brake lights not working, or power crossfeeding through the tail-light circuit, preventing both tail and brake lights froms working at the same time. Repairing the connection is a project that is well within the range of the do-it-yourselfer.
Why does my brake light keep turning on?
It could happen due to a loose connection of the wire or the corrosion or damage of the wire ends. Connect the light switch to a good ground with a jumper wire and press the brake pedal. If the brake light turns on, you have to fix the ground connection.
