With the key on if i touch the two wires together the brake lights will light This test can be misleading If i put the wires back on the switch, with the key still on, one of the wires will light the test light
VW, Audi, Skoda, Seat, BRAKE PEDAL SWITCH fix - YouTube
Testing the brake pedal switch involves the following steps
The brake pedal switch is usually located on the brake pedal assembly
Consult the vehicle’s wiring diagram to identify the. Use a multimeter to check continuity Press the brake pedal and observe if the switch closes the circuit, lighting the brake lights If no continuity is detected when pressed, the switch may be faulty
Here are some common signs that your brake pedal switch may be faulty This is perhaps the most obvious sign of a bad brake pedal switch If your brake lights fail. If your brake lights won’t turn on, or your cruise control randomly cuts out, your brake pedal switch is likely failing
Confirming the brake switch as the source of the problem involves a few straightforward checks before replacement
Mechanically, inspect the switch plunger to ensure it is not physically stuck. By only pressing the brake pedal and checking the brake lights, you won’t be able to determine if the brake light switch is defective in modern. A faulty brake switch can affect the brake lights, shift interlock, torque converter clutch, abs, traction control, and cruise control systems Use a scan tool to check.
Turn the ignition on to run position (vw brakes only have power when key is in run position), take your 12 volt test light or dc voltmeter with you to the master cylinder switches. With that said, you can diagnose a bad brake light switch and replace it to get functioning brake lights once again In this guide, we will look at the top symptoms of this failed part and discuss. Look for inconsistent stop light operation or dashboard.
Mechanically, inspect the switch plunger to ensure it is not physically.
By only pressing the brake pedal and checking the brake lights, you won’t be able to determine if the brake light switch is defective in modern vehicles