Questions & Answers for: Ford Thunderbird brake interlock switch

...brake switch (with the key on) and still no lights. There appears to be no power to the brake light switch. Is this a relay problem? If so, where is it? Any suggestions are very appreciated. Thanks, ...

...a bad brake light switch This sounds like a brake light switch. It could be as simple as a lose wire or bad brake light switch. These are located under the dash at the top of the brake peddle

...faulty ignition switch, starting solinoid, starter motor or ignition interlock device tied into the factory security system. try original key. Original key will communicate with security

...TRANSMISSION SHIFT INTERLOCK SOLENOID.IF BRAKE LIGHTS WORKS.YOUR PROBLEM COULD BE THE BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID OR BAD NEUTRAL SAFETY SWITCH.MAKE SURE NEUTRAL SWITCH FUSE IS

brake switch, which may have shorted internally or to chassis ground. The switch is above the parking brake pedal. If the connector is still on the switch remove it. If the light goes out, replace the

...brake pedal interlock system. Sorry I'm a chevy mechanic, but our system is the BTSI (or brake transmission shift interlock) solenoid. After the car is started, the brake pedal must be applied to ...

...the switch up or down until the lock cylinder slides in. Then tigten the switch or your Interlock will not work properly. It would be a good idea to test it before putting on the plastic column

...brake light switch. I would say that the b rake switch is bad and will have to be replaced. It will be under the dash behind the top of the brake pedal I suspect. It may also be in front of it. ...

...procedure to get it going again.Also, you should check your brake lamps.  The shift interlock is probably not working properly due to a problem with your brake lamp

...brake light switch itself. Using a simple test light see if there's any power in/ power out at the switch. It should be located on, or near the brake master cylinder. To test power out may require an ...