Question about 2004 Chevrolet TrailBlazer

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Rear brake lights are not working. Replaced bulbs, checked fuses, but still not working. Need to know what else to check and if possible what the problem could be.

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  • Chevrolet Master
  • 14,036 Answers

COULD BE A BAD BRAKE LIGHT SWITCH.

Posted on Apr 23, 2010

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Posted on Jan 02, 2017

  • 1986 Answers

SOURCE: brake lights don't come on. checked fuse box,

look up above your brake pedal and you will see the switch.. It will either between the firewall and the pedal arm (switch moves in when you brake).. Or it will be between the pedal arm and the dash (switch moves out when you brake)

Posted on Oct 08, 2009

  • 56 Answers

SOURCE: 2004 Chevrolet Aveo Brake lights not working

A couple of days ago my brake lights on my 2004 Chevy Aveo wouldn't work, so I attempted to remove the lamp covers to check the bulbs. Also, before this my shifter would get stuck in park and could only be released by pressing the unlock gadget next to the shifter. Back to the brakes...Well, you open the trunk and remove the two screws just like the manual said, but it was very hard to pull off. There's 2 prongs holding the other half of the light on. The lamp will come loose by prying it (very hard). You think the cover will break, but it'll come loose. The bulbs were all OK.

After much frustration and internet info, the STOP LAMP SWITCH, GM#96436331 ($9.30 at Chevy dealer), which is located under the dash and has contact with the brake pedal, was defective. Once replaced, both my brake lights AND SHIFTING problems were cured. So if the brake lights suddenly don't work or you have problems getting the vehicle out of park, check the switch by pushing the prong (end that has contact with brake) of the switch in and out. If it doesn't retract smoothly...that's the PROBLEM. Good Luck.

Posted on Sep 11, 2009

  • 1 Answer

SOURCE: brake light on 2001 chevy blazer LT 2wd

i had a recall on my 2001 blazer multifunction switch that operates the brake lights and hazard lights could be it?!

Posted on Jul 08, 2008

  • 1114 Answers

SOURCE: Left rear brake light stopped working but bulb and fuses are OK.

take the bulb back out have someone sit in car apply brake get your self a circuit tester and check to see if this circuit is carrying efficient 12 volt current! some times in cold weather these bulbs get hot with long period of breaking and when released condensate and rust begins and you get what you have perhaps bad socket! this would be a ideal location to begin and probably end,

Posted on Jan 03, 2009

  • 150 Answers

SOURCE: 2005 Toyota Sienna rear brake light problem.

have you checked the earthing continuity-if it's this other bulbs may also partly light when brakes used
otherwise-
Check continuity of live from center to lh & rh lights and/or is there a live at those lights

Posted on May 03, 2009

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On the fuse chart, what is the abbreviation for the brake light fuse


Should all be the same fuze. Check the bulbs and whether the harness to the rear lights that usually runs through the trunk hasn't been pulled.

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Brake light, Driver Side, will not come on.


Hello, I would first check your fuses to your lights first. Then I would press on the brake and have some one check and see if the brake lights come on. If not it is a possible brake light switch and this will probaly need to be replaced. I would check for loose connections on this and check the connections to your back lights as well. The brake light switch is connected to the top of your brake pedal assembly. If these are not the problems it is a possible short in your tailight assembly. I hope this solves your problem for you!

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check behind the brake peadle for a little button that pushes in and out when the peadle is pressed(this is your brake light switch) some cars have more than one of theese. manualy let the button out if the light works the switch is good if it does not disconect the harness from the switch and take a small piece of wire and jump the two prongs on the harness if the brake lights come on then you need a brake light switch. if this doesnt work check for power at the switch. if no power you have a bad fuse if there is power and you already jumped the wires to the switch then you have a broken wire between the switch and the tail lights.

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