Question about 1999 GMC Yukon Denali

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How do i remove the brake light switch from a 1999 yukon denali, i can see like clips but not sure.

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There may be two screws, open tailgate look to the inside by the seal around back. take the screws out, remove lens

Posted on Aug 09, 2009


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1 Answer

What do I have to remove to get to the brake light switch?

If you lay on your back on the drivers side floor and look at the brake pedal arm you should be able to see the brake light switch. You shouldn't have to remove anything to access it.

Feb 23, 2016 | 1999 GMC Yukon Denali

1 Answer

1999 Yukon Denali stop shifting out of park.

Check the brake lights when this happens, if they are not on then you have found the problem it is the brake light circuit. Go under the dash if the brick lights don't work and check the brake light switch above the brake pedal, it should have 12 volts in and out with the brake pedal pushed down. See typical brake light switch location below. #4 in diagram is brk lite switch.

Oct 11, 2012 | 1999 GMC Yukon Denali

1 Answer

My brake lights wont come on when brake pedal is pressed

My first check would be the brake light switch located on the upper section of the brake pedal...

Aug 28, 2011 | 1999 GMC Yukon Denali

1 Answer

My 1999 gmc yukon denali won't shift out of park

Check the brake switch. The brake switch releases the locking pin for the shifter when you apply the brake. Common problem with GM. Turn the key on, apply the brake on and off and listen to see if you hear a click in the steering collumn. Do this a few times to make sure you can hear it. If you can't then the switch is bad.

Jul 13, 2011 | GMC Yukon Denali Cars & Trucks

1 Answer

Dont know how to get to the brake light switch on 99 yukon denali

Hi to locate the brake light switch you need to have a very close look at the brake pedal (now this is where you need to be a contortionist) if you follow the brake pedal right to the top just before it goes through the bulk head, now at the very top of the pedal if you have a close look you will see the brake light switch its actually located at the very back and very top of the brake pedal.

its a bit hard to get to but if you slide the drivers seat right back and you sort of break your neck twisting round to have a close look at the brake pedal you should just about see the brake light switch its at the very back of the pedal and will have a couple of wires going to it.

now if you have got big hands your in trouble as its very hard to get to so you may struggle.

let me know if you have any problems ok

plz rate this solution as i have a whole page of unrated posts, thanks

Aug 29, 2010 | 1999 GMC Yukon Denali

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

1 Answer

I have a 2001 yukon denali and i have no brake lights, i have changed the lights and checked the fuses

Now check the ground to those lights to make sure it's connections on both ends are tight and not corroded. Once you are sure that the ground is good, if you still don't have lights it must be the switch, located at the base of the brake pedal. J.

May 29, 2010 | 2003 GMC Yukon Denali

1 Answer

2001 Yukon Denali: The security light came on my 1999 Yukon Denali ye...

The security system (Passlock) is having problems, it's typical on those trucks. You can find a great write-up here: , it was the only thing that saved my Park Avenue.

May 16, 2010 | 2001 GMC Yukon Denali

1 Answer

I dont have drivers side rear signal or brake light ,have replaced both rear light sockets and bulbs on 1999 gmc denali.

the circuit board on the actual housing may be shorting out I would remove the socket and look for sign of burned connections on the boardthe socket goes into.

Oct 27, 2009 | 2002 GMC Yukon Denali

3 Answers

2005 Yukon XL, third brake light intermittent

Remove bulb, make sure it sits tight in the socket. make sure socket is not burnt up (brown or black in color) Check bulb, if the filament inside is loose or discolored, replace as nesessary. Check brake light switch under driver side dash above brake pedal. make sure it is adjusted correctly.

Jul 23, 2009 | 2005 GMC Yukon Xl Denali

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