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No brake lights 1998 gmc Sierra checked fuse and have new brake light switch. Problem started when btsi switch came undone but new switch has been installed.

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I ran into this same problem with a friends GMC. truck and what I found was that there was a small short in the wiring! so I would check the wiring from the brake pedal switch with a test light and if it lights up continue down the harness with tester till it doesn't light up and that tells you thats where the short in the wiring is, then repair and you should be good

Posted on Oct 27, 2012

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Posted on Jan 02, 2017

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SOURCE: 1998 gmc sierra brake lights

did u check that they not burn?if not you should Check the wires going into the steering column if you don't have separate turn signal lights and brake lights because if they use the same bulb then the turn signal may be bad. If I remember correctly that particular car doesn't work this way, but I include it just in case.

Posted on Jun 29, 2008

mrgreenz
  • 962 Answers

SOURCE: 1998 GMC Sierra Signal Fuse Blowing

it seems you have a short in either one of the lights or interlock. all are connected to the same fuse. trace the wiring from the fuse box back to the component. Using a test light test in between the wires. check for any obvious breaks in the wiring.

Posted on Dec 06, 2008

  • 1035 Answers

SOURCE: brake lights wont turn on.1994 gmc sierra.

This may sound too simple, but first verify that you are getting voltage to the light socket. Use meter on d.c. If you are getting voltage, and your bulb is good, it could be a bad ground. Don't overlook the brake light system goes through the directional signal in the steering column.

Posted on Feb 20, 2009

  • 65 Answers

SOURCE: Brake lights quit working.

if all fuses and bulbs are ok get to the brake switch and see ifits stiff or stuck, if it just has two wires on it you could join themtogether to see if the brake lights come on though obviuosly dont leave them joined.Good luck davelee

Posted on Mar 23, 2009

  • 71 Answers

SOURCE: brake lights dont work

make sure your geetin 12v to brake switch if not jumper a wire then try it

Posted on Mar 29, 2009

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1 Answer

I have a 1989 gmc 1500 and cant get the brake lights to work i bought a new switch and they still dont work. also i got new bulbs my taillights work but the brake lights do not.


First I would check the fuses. You may have two fuse boxes. One inside and one under the hood. You can check for voltage on both sides of the brake switch to verify proper operation. That's where I would start.

Mar 09, 2011 | 1989 GMC Sierra

1 Answer

How to replace a brake light switch on a 1998 GMC Sierra 1500.


Hello my name is Israel and I will be glad to help you. Above the brake pedal there will be a small white in color switch with two wires coming out of it. This is the brake switch. You will need to pull the pigtail from the brake switch and then "unscrew" the switch and replace with new one. Connect the pigtail. Adjust the switch so that the brake lights activate with a touch of the brake pedal. Good Luck.

Feb 14, 2011 | 1998 GMC Sierra

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Check fuses first. If thats OK, could be a problem with the brake switch (down by the pedal) or the wiring.

Mar 26, 2010 | 2002 GMC Sierra

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O6 GMC SIERRA FUSE BOX


check at the top of the pedal, there is a micro switch that operates when you depress the pedal, this in turn operates the electric feed to the brake lights, this switch may be worn, or faulty...an easy but a little awkward fix

Jul 27, 2009 | 2006 GMC Sierra

1 Answer

How to replace the brake light switch on a 1998 gmc sierra truck


Brake light switch is active by the brake paddle.

Before you start,take a picture or do a sketch of the spring or linkage around the brake paddle.

Move the seat back will give you better access.

Press the paddle and the inner side (closer to the firewall) of the paddle will activate the switch.

Please keep in mind there are fuse(s) to protect the lighting circuit.

Check all the fuses before you R&R the brake switch,

Jul 16, 2009 | 1998 GMC Sierra

2 Answers

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Check the switch on the brake pedal, connect the wires to each other and if the lights work then the switch is at fault, if they do not then check fuses, wiring etc.

Jun 16, 2009 | 1998 GMC Sierra

1 Answer

Brake lights quit working.


if all fuses and bulbs are ok get to the brake switch and see ifits stiff or stuck, if it just has two wires on it you could join themtogether to see if the brake lights come on though obviuosly dont leave them joined.Good luck davelee

Mar 23, 2009 | 1998 GMC Sierra

1 Answer

Brake lights dont work


make sure your geetin 12v to brake switch if not jumper a wire then try it

Mar 21, 2009 | 1989 GMC Sierra

2 Answers

1998 gmc sierra brake lights


check the ground cable for the rear lights its at the back on the frame

Nov 15, 2008 | 1996 GMC Yukon

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