Question about 1986 GMC K1500

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Replaced brake light switch, now have no brake lights, no air conditioning, when you start the truck you cannot shift out of park to another gear, unless you first turn off the key turn the key to the next knotch past start, then you can shift to netural start in netural and it will shift as normal, air conditioning still does not work and the cruse control locks on, you have to shut the key off, to get it out of cruse.

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  1. thats easy to fix the tail light switch has nothing to do with any of that ****

Posted on Jul 22, 2008

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I have a 2000 Mercedes E430 base sedan. Last week I replaced the brake light switch because it was out and it solved the problem to the point that I can now put my car into gear and drive it, however, as...


Brake light switch problem may cause the ESP / BAS lights to illuminate.

Common symptoms of a bad
Mercedes brake light switch.
  • Car stuck in Park.
  • ABS ESP ETS lights come on.
  • Can not move the shifter from Park to Drive.
  • Brakes Defective Warning on Instrument Cluster
  • Car won't shift gears. Stuck in 2nd gear, limp mode.
  • Brake lights don't work. (Brake light switch can still be defective even if the brake lights work. Checking the brake light operation is not a good test.)
  • ESP, BAS, ABS lights turn on. Car won't shift properly. Stuck in gear.


TEST: To test your new brake light switch: Turn you car off to reset the ABS light. apply the parking brake. and start the car in neutral or park without using the brake. if the problem is the brake light switch... the light will only come on when you press the brake pedal.

If you replaced the brake light switch and the light is still on you should check a few other things such as:

  • Fuses and Relays
  • ABS pump
  • ABS wheel speed sensor
  • Brake Fluid Level
  • Get an advanced scanner to read trouble codes.


NOTE: ** You may need a MBZ scan tool to reset the error code which was stored in the ECU because of the bad brake light switch.

Feb 25, 2015 | 2000 Mercedes-Benz E-Class

1 Answer

Stuck in park while truck is still running 1998 Lincoln Navigator


Are your brake lights working?
If not, replace the fuse. Still not working? Replace the brake light switch. (Your brake light switch also releases the lock for the gear shift).
If your brake lights are working, are you hearing a soft "click" at the gear shift when you depress the brake? If not, check the lock solenoid at the gear shift lever.
There is also a slight possibility that your park pin is jammed. If you're parked on a hill, it's likely. Have someone push the car back and forth as you try to take it out of park... JUST DON'T RUN THEM OVER. :)

Jul 26, 2014 | 1998 Lincoln Navigator

1 Answer

Gear shift stuck in park


Does the brake lights work? If not check the fuses,and maybe brake light switch at the brake pedal.It can shift if you turn the key on(only enough to un-lock the steering wheel) then shift it to neutral,then start the vehicle,just remember if you shift it back to park it will be stuck again..Dont try driving it if the brake lights do not work,very dangerous for you and other drivers.

Apr 21, 2014 | 2009 Ford Fusion SEL

1 Answer

1998 chevy blazer when we replaced brake booster and now it will not shift out of park whenits started


Not sure I am following your question, or maybe questions.
If you can not shift out of park with the key on, the brake switch on the pedal may be faulty or out of adjustment.
If the warning light is on, it could be the fluid level sensor in the master cylinder, or the parking brake switch.
If you have no brakes after you try bleeding the master cylinder, the rod inside the booster may not be connected correctly. If you replaced the master cylinder along with the booster, you would need to bench bleed the master before installing it in the truck.

Oct 08, 2012 | Cars & Trucks

1 Answer

Shift locked in park/2000 nissan xterra se


check battery volts should be 12.5 volts,if yes check see if you have rear brake lights.if no replace brake light fuse.if brake light fuse okay a faulty brake light switch or shift lock solenoid not working,when you apply brake the electrical circuit goes to shift lock solnoid so you can get transmission out of park.shift solenoid located centerconsole located near gear position indicator.

Sep 01, 2012 | Nissan Cars & Trucks

2 Answers

2003 crown victoria won't come out of park


Had a similar problem. Solved it two ways first place key in the 3 position move gear to N then start and it will shift easily. Second solution check brake light fuse, it is probably blown replace it and gears will shift OK.

Jul 01, 2012 | 2003 Ford Crown Victoria

1 Answer

I cannot shift my 98 Sable out of park into a gear after it starts, if I turn the engine off then turn the key to on (not engaging the starter) the gear shift can be moved to neutral then the engine starts...


Sounds like a problem with the brake light switch. Do the brake lights work? It is a problem with the shift interlock system. It is controlled by the brake light switch on the brake pedal bracket.

Aug 02, 2010 | 1998 Mercury Sable

1 Answer

We replaced burned out brake light and then started to have problems with other lights. Now the gear shift won't move out of park.


check your brake light switch located above your brake pedal. If the switch is faulty, it won't allow your car out of park

Oct 13, 2009 | 2004 Mercedes-Benz Mercedes Benz S Class

2 Answers

My 07 suzuki forrenza will not shift out of park without inserting a key in. The shift lock realease


My wife had 2007 suzuki forenza with the same problem , I look it over, the problem was the brake light switch. I Bought a new one at suzuki dealer in orlando for $15.10 part # 37740-86z21 and replaced it my self , it took less than 5 munites to replace.works great now.The reason the gear would not shift out of park is that the brake switch has to send a signal to the relay switch on the gear shifter to remove the shift lock .If this switch is not working it can not send that signal to the relay.Another way you can tell it is the brake light switch is that your rear brake light would not work .You can also bypass this and use your car until you get the brake light switch , here how .look at your gear shifter and locate a small oval shaped cut out (it may have shift lock written next to it ).take a small flat screw driver or some thing Similar and pry out that little plastic incert .Then when you start your car and you are about to shift out of park place a key of any a small screw flat driver into the hole and push down and shift out of park.Once out of park you can shift to any gear if you return the shifter to park you would have to incert the screw driver again.If you need to locate the brake light switch just follow your brake pedal up under the dash board it will be a small white plastic switch attached above the btrke pedal .IT is very simple to replace ,when you locate it just twist it anti clock wise and it will come off , then press the clip in the plug and remove the brake switch from the wire harness.To replace the new one just press the brake pedal down place the switch back where the old one came off and twist clock wise until it snaps into place.and replace the wire plug.REMBER When you get your new brake switch DO NOT press it down or it will get stuck.IF this happens just pull it back it out.and do not buy this part at any auto parts store because the connecter woul be smaller .go to a suzuki dealer ....THEN WHEN YOU FIX THIS PROBLEM GET RID OF THE CAR THIS IS ONLY THE START FOR PROBLEMS TO COME ...GOOD LUCK..

Jul 20, 2009 | 2007 Suzuki Forenza Sedan

1 Answer

Car stuck in Park, wont switch gears


check to see if the brake lights come on it may be a problem with a brake switch under the dash not letting the shift lock release. there may be a seperate switch just for it so check and see it there is two switches touching the brake pedal lever if the brake lights come on.

Jun 09, 2009 | 2005 Chrysler 300

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