The B.O.O. switch or Brake On/Off switch is located at the top of the brake pedal assemble.
Brake lights? Check brake light switch for adjustment or replacement
Probably the brake light switch is bad. The brake light switch is what sends the unlock signal when you step on the brake to move the gear selector.
Check the brake light switch adjustment.
Brake light switch needs adjusting or replacement.
where is brake light switch
If a brake light stays on it's usually just a sticky or bad switch. The brake light switch is under the dash and is activated by the brake pedal. It could have some grunge on it preventing the switch from closing. Try cleaning the plunger. If that doesn't work (and it probably won't) replacement is very easy. Cheers
You can try to reset your brake light switch by unplugging the brake light switch and plugging it back in. If that does not solve your problem you will need to replace the brake light switch.
a switch that is trigered to light up the light when the brake pad is pushed in
the brake light switch is located on the arm of the brake pedal, above the pad. you will see a plunger-type switch that extends and retracts with the compression of the brake pedal. to replace it, unbolt it from the bracket attached to the brake pedal, disconnect the electrical connector, replace new part (compare the adjustment of the new switch with the old & adjust if necessary), connect electrical plug, mount new switch to bracket & test.
Follow the below steps to replace the Brake Light Switch on Chevy Blazer:1) Open the Chevy Blazer's driverdoor, and move the driver's seat as far back as it will go. Lean under the dashboard with the flashlight, and shine the light on the brake pedal arm to locate the brake pedal switch.2) Unhook the brake pedal wiring pigtail from the Chevy's brake pedal switch by hand. Unbolt the old brake pedal switch from the mounting bracket using the box wrench set.3) Remove the old brake pedal switch by hand. Insert the replacement brake pedal switch into the brake pedal bracket. Bolt the switch in place with the box wrench set.4) Plug the brake wiring pigtail into the replacement brake pedal switch by hand. Readjust the driver's seat, and close the door. Hope this helps.
Changing a Brake-light SwitchI am not familiar with your Lexis, so this answer will be generic in nature and applies to all vehicles requiring replacement of their brake light switch.Here is the procedure:Locate the brake light switch.Disconnect the wiring harness connector and move the harness out the way so you can work without tangling in it, and thus possible damaging it.Remove the switch from its mounting.Install the replacement switch.Reconnect the wiring harness connector to the replaced switch.Properly adjust the newly installed switch so that it is off when the brake pedal is not depressed, but does come on when the pedal is depressed.
The Chevrolet Colorado brake light switch is quite simple to change. The brake light switch simply plugs in and out.