Question about 1999 GMC Yukon

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My brake lights on my 99 gmc yukon are not working what could be wrong? i have checked all the fuses and all of them work i also checked the bolbs and they are working aswell

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Change the break light switch under the brake pedal. I have a 97 yukon and it's probably the same, it is really hard to get to. You have to take off the panel under the stirring wheel then look directly behind the brake pedal, it's a big white plastic piece you have to to unplug it. It took us an hour to get it off

Posted on Jan 30, 2011

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Posted on Jan 02, 2017

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My brake lights are not working on a 1999 gmc Yukon I have replaced the brake light switch, bulbs, and fuse what else could keep my brake lights from not working


check your Head Light Fuses I know for some reason that Happen to me and I had to replace my head light fuses. I would also check the circurt line out and make sure its getting power to it.

Sep 28, 2014 | 1999 GMC Yukon

1 Answer

Is there an adjustment for the stop light switch on a 99 GMC Yukon. I have replace it and my brake lights still do not work. Park lights work fine.


There is no adjustment. The park lights are on a different circuit than the brake lights.
Do you have a third brake light that works. Its also on a different circuit but works from the same switch. Do your turn signals work. They use the same filament as the brake lights.
Also, the brake light circuit goes through the multi function (turn signal) switch.

Since the brake lights and turn signal lights use the same filament in the bulbs, the brake light circuit will pass through the turn signal switch. When a turn signal is used it cancels out the brake light for that side.

Let me know if your third brake light and turn signals work in the rear.
Also, if youy have not already, check/change the bulbs. The type of sockets those lights are in also get burned so look at them well.

Oct 18, 2011 | 1999 GMC Yukon

1 Answer

99 yukon brake lights will not work, repllaced brake light switch still wont work


Had the same problem on my Yukon, I had to get the winshield wiper switch (controls cruise control, turn signal, and winshield wipers) replaced. This switch controls the hazards as well.

Nov 06, 2010 | 1999 GMC Yukon

1 Answer

I just installed a new break switch for my 99 yukon gmc and now the gear shift won't work?


is it working? are the brake lights working? is there a blown fuse? why was the switch replaced?

Jul 01, 2010 | 1999 GMC Yukon Denali

2 Answers

I have a 99 gmc yukon my break lights stop working i changed the break switch checked the fuses and bulbs


These have the circuit board which the bulbs plug into. Very common problem for the circuit board to burn up interally and cause the brake bulbs to not work.

May 18, 2010 | 1999 GMC Yukon

1 Answer

Braking lights and turn signals not working


Did you check the brake and signal light bulbs? If something happened that blew a fuse, chances are you probably lost some bulbs too. that should fix your problem

Oct 20, 2009 | 1999 GMC Yukon

1 Answer

99 gmc yukon daytime running lights dont work checked the fuse but not blown dash indacator shows it is on but are not please help


Make sure Parking brakes are fully released and then check the diode under the dash, drivers side above right foot, remove diode and shunt tyhe connection if lights lite diode is bad. These diode reduce the power by 25% and are prone to fail

Sep 10, 2009 | 1999 GMC Yukon

1 Answer

Heated seat 99 GMC Yukon wont work ,also antilock brakes engage


The problem is usually in one of the heat pads in the seat - the heating filament is probably broken and the culprit pad has to be replaced (big job). However, you should make sure the fuse is OK (check the owners manual for location).
When the brakes were installed, one of the ABS sensors was either not installed properly, the wiring is disconnected or the sensor has failed - take it back to the shop that did the work.

Oct 16, 2017 | 1999 GMC Yukon

2 Answers

Bottom brake lights and hazard lights do not come on. All other lights work including top brake lights. Fuses and bulbs checked.


Check for power out of brake light switch by brake pedal. Of its faulty , the 3rd brake light will still work. Hope this helps

May 20, 2009 | 2000 GMC Yukon Denali

3 Answers

Brake lights don't work. Fuse is good, bulb is good, but brakes still won't come on. GMC Sonoma 1994.


please check your brake light switch located near the brake pedal. it could be faulty.

tnx 4 using fixya,

drcool

Sep 24, 2008 | 1999 GMC Yukon

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