Try the turn signal switch in the steering column. I know it sound stupid but that is the problem and they are not cheap. At a service shop besides a dealer you are probably talking around $200+. I had the same problem, sometimes the rear brake lights would work and sometimes not but window light always worked. Good Luck
It depends on the exact problem. If it's that both brake lights in the back do not work and the middle one works, it could be your turn signal switch.
TRY TURNING THE EMERGENCY FLASHERS ON AND OFF A COUPLE TIMES THEN CHECK YOUR BRAKE LIGHTS. WORKED FOR ME.
If the brake lights are not coming on in your car and you have changed the bulbs and the fuses with no results, you could also check the wiring in your '98 Chevrolet Lumina. The wires may be damaged or even broken.
id cheack your brake light switch. its rightbehine your brake peddle it could be that malfunction, its a chap part to change $15 or less but u could also check your fuses if the bulbs are still good due to the bulbs having 2 separate filiments one for runin light and for brake..
my back brake lights don't work, but the brake light on the back door does what could be wrong
Could be a brake switch, its under the brake pedal arm - work the trigger manually and see if its stuck. Doublecheck your brake lights though...does the single brake light in the window work? (double check the bulb) If the brake light in the window works and the 2 tail lights do not work, then you have a bad "turn signal switch." I know, the name is confusing. The turn signal switch is the multifunction stick (cruise/wipers/turn signals) on the left side of the steering column and the large plastic and electric mechanism it operates. The steeing wheel has to come off and the unit has to be replaced. It's not easy to do for most and its not cheap either.
It could be a blown fuse. Tail lights and brake/turn are on separate fuses. Apparently there is not a ground problem since brake/turn works OK.
a crappy car. my 99 beetle has the same problem. brake light switch new, bulbs and fuses new. brake lights just work whenever the heck they want. this is one of the many reasons my car has a for sale sign in the window. good luck.
mabie they could be burning out.
It is not necessarily the fuse. It could be the switch on the brake that is not closing the circuit.
The brake lights on a 96 Jimmy are operated by the brake light switch, mounted on the brake pedal assembly. If the switch is bad the lights could stay on or off, or be sporadic.
If you brake lights are not working on your trailblazer it could be due to a number of reasons. Your fuse could be blown, or your light may no longer work.