Mastering Top Brake Light Troubleshooting The Comprehensive Guide

The cause of this, they said, was that the LED bulbs had an improper resistance level in comparison to the stock incandescent 3157 bulb. This sounds like the ABS control module is back feeding the third brake light here is a wiring diagrams so you can see how it works and a video ... The next thing they need to check is the harness to the rear lighting. My guess is that another wire is shorting against the 3rd brake giving it ... You can test this switch with an ohmmeter. Disconnect both wires and connect each probe of the ohmmeter to each wire. While the parking brake is ... Are the tail light bulbs dual filament with the brake lights using same bulb, are you sure both bulbs are in sockets properly and not bridging ... There is a little rubber bumper stopper up near the top of the pedal. If that rubber bumper stopper falls out (an it does eventually fail and ... I went back and checked front and back brake again. Turned out the back brake was getting very slightly stuck, just enough to keep the light on. You may have replaced one of the tail light bulbs with the wrong one. It may be shorting two circuits together. So the brake light stays on. A common issue on Hyundai cars that can cause the brake lights to stay on is the rubber switch stopper gets brittle and falls off. Pull the tails and check the bulbs, if they are the correct type make sure they are seated correctly and not burned out, if they are LED's take ...