Question about 2002 Chevrolet TrailBlazer

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Brake light The 3rd brake light works, but the 2 rear do not....turning signal works. What will fix it?

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  • russellhunts Aug 27, 2008

    3rd light works but other 2 doesnt. why ? does this car have an inline fuse?

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There was a recall several years ago which replaced both brake&tailight assemblies/circuit boards on my 2002 Trailblazer. New bulbs only provided a temp fix. This was labeled on my work order as Campaign 04087. I had that done in 2004. I see Trailblazers with no brake lights very often on the road!

Posted on Sep 01, 2008

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Hi, check for bad bullbs and dirty contacts inside the bulb sockets ...

Posted on Aug 17, 2008

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SOURCE: Rear Brake Lights not working, 3rd light is working

check the fuse for the stoplights. Even though the 3rd one is working it should be on a different fuse. With both of them not working even after you changed the bulb it would seem to lead to a fuse.

Posted on Feb 09, 2009

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SOURCE: 1994 chevrolet pickup - brake light problems

There will be an electronic flasher module located under your dash near the steering column (don't know it's exactly location as it varies). It sounds like this unit may be faulty.

Posted on Aug 21, 2009

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SOURCE: 95' Buick regal, 3rd brake light works, tail

I dont have a diagram but the brake light switch has to feed the turn signal switch, Either that wire has a bad connection, or the turn signal switch is bad. Jiggle the turn signal lever and see if the brake lights try to work.

Posted on Nov 25, 2009

  • 1 Answer

SOURCE: no turn signals and no rear brake lights the 3rd

im, having same problem did you find a solution?

Posted on Jan 05, 2011

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SOURCE: 1996 dodge ram 1500 5.2L no brake lights or turn

just an idea but if you have a trailer connection confirm that your grounds are all ok~!!

Posted on Feb 17, 2011

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1 Answer

Reverse light work but brake light and rear turn signal doesnt


If your brake lights and turn signals are out, you most likely have a blown fuse, burnt bulb, or a problem in the steering column.----------------------------------------------------------------------
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Dec 21, 2012 | 2002 Ford Explorer

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My additional brake light is not working i have tested the brake unit and that works is there a seperate fuse for this or is it all on one fuse for all the brake lights


The third or High Mounted Brake Light runs straight off the brake light switch on the brake pedal arm. You say you tested the "brake unit"? I assume you mean the third brake light assembly, and if you get power there when someone steps on the brake pedal, then the bulbs are bad.

The power flow for the brake lights goes like this: Fuse ->Brake switch -> Turn signal switch -> Rear lights. The only difference is, if you have a 3rd brake light in your rear window, that gets its power directly from the brake switch. It does not go thru the signal switch first. So, if you are having a brake light problem, and your fuses are good, check the 3rd light in the rear window, if it lights up (assuming the bulbs are good, no one ever changes them), then the problem is most likely in the turn signal switch, hope this helps!

Aug 28, 2011 | 2002 Ford SVT Focus

1 Answer

Brake lights will not work, all other lights work


Look under the dash, on the brake pedal arm. There are one or two switches that activate brake lights and/or shift unlock. Check for loose mounting nut or a missing rubber nubber. Is the brake pedal coming all the way back up? Look on the floor for something not usually found there. These switches are adjustable and it may be as simple as adjusting them. Have a helper look for brake lights on and shift lever unlocked while you push and release the switches with your finger. Depress the brake pedal to get it out of the way. Remember to set the park brake first. Could just be a bad switch or loose connector. Check fuses and the bulbs. Is shifter fully in Park? Also try jiggling the turn signal lever.

The power flow for the brake lights goes like this: Fuse ->Brake switch -> Turn signal switch -> Rear lights. The only difference is, if you have a 3rd brake light in your rear window, that gets its power directly from the brake switch. It does not go thru the signal switch first. So, if you are having a brake light problem, and your fuses are good, check the 3rd light in the rear window, if it lights up (assuming the bulbs are good, no one ever changes them), then the problem is most likely in the turn signal switch, hope this helps!

Aug 25, 2011 | 1998 Nissan Frontier

1 Answer

Is the brake lites and turn signals all coneccted in the lurn switch?


Yes they are. The power flow for the brakes goes like this: Fuse ->Brake switch -> Turn signal switch -> Rear lights. The only difference is, if you have a 3rd brake light in your rear window, that gets its power directly from the brake switch. It does not go thru the signal switch first. So, if you are having a brake light problem, and your fuses are good, check the 3rd light in the rear window, if it lights up (assuming the bulbs are good, noone ever changes them), then the problem is most likely in the switch, hope this helps!

Aug 14, 2011 | 1995 Oldsmobile Cutlass Supreme

2 Answers

1999 ford explorer the 2 lower brake lights won't work but the 3rd upper brake light works fine ...... whats wrong ???


check the rear lower bulbs, if good nore than likely brake lamp switrch on brake pedal, 3rd lamp rns of separate circuit

Aug 13, 2010 | 1999 Ford Explorer

2 Answers

95' Buick regal, 3rd brake light works, tail lights work, turn signals work, stoplight switch seems to work ie 3rd brake light working, fuse is ok, changed bulbs, but no rear brake lights.


If the third brake light works and the regular ones don't, it is most likely a bad turn signal (multifunction) switch. The switch is able to kill the brakes lights to run the turn signals, and in rare circumstances does this. I've seen it several times. It could also be wiring, especially near the turn signal switch, but it is usually the switch.

Nov 25, 2009 | 1995 Buick Regal

1 Answer

Can I wire extra lights into the 3rd brake light?


Thats alot of work that you could just put into fixing the lights.

This might sound dumb, but make sure your tailights have the right biulbs in them.

If all is good there, then check or have checked the actual sockets for the bulbs.

I bet thats where your problem is.

Sep 11, 2009 | 1997 Chevrolet Lumina

2 Answers

REAR TURN SIGNALS WORK BUT MY BRAKE LIGHTS DONT


Replace the turn signal switch. If you want to prove this have someone stand behind the car with your foot on the brake. Then wiggle the turn signal lever. The brake lights should blink. This is a real common problem with W body. I have replaced two on my cutlass plus tons more at my shop.

Jun 15, 2009 | 1997 Chevrolet Lumina

2 Answers

No brake lights but 3rd light works all fuses are good


Sounds like a broken wire somewhere.
Since the middle brake light works I would suspect it is somewhere in the trunk or close to the back seat.
Buy or make a tester. A 12v light with a clip on one wire that you clip to a good ground on the car the other wire with a sharp point. Turn the turn signals on then poke wire to rear lights until tester lights. When tester lights you know the break is somewhere inbetween the tester and the brake lights.

Hope this helps.

Stan

Apr 16, 2009 | 1985 Buick Skylark

2 Answers

Brake pedal switch


Yes. Because the switch use a individual wire to the 3rd light.
To separete from the rear. because the rear lights, use the same bulb to signal and brake light.

Jul 24, 2008 | 1988 Nissan Sentra 2 Door

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