Question about Jeep Wrangler

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2001 Wrangler brake light not working correctly. Tail light works, brake light uses only one bulb filament. When boht tail light and brake light are engaged neither filament comes on. Passanger side taillight works fine. Bulb has been checked and works fine.

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  • 136 Answers

The light assembly is grounded to the body through the mounting screws. It sounds as though it is a bad ground. You could run a ground wire to a bolt on the frame from a mounting screw to check for aground problem.

Posted on Mar 20, 2011

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1 Answer

Are both rear bulbs on a 98 chevy silverado supposed to be brake lights


if the bulb has only one point of connection then the wattage on the bulb denotes if it is a brake or tail light
either bulb will work but a stop light bulb ( 25 watts ) will be too bright for tail lights while a tail light bulb (5 watts) will be too dull for a stop light
if the bulb has 2 points of connection ( duel filament) then the pins are off set so that when the bulb is installed each filament pont line up with the correct circuit

Sep 30, 2016 | Cars & Trucks

1 Answer

I replaced a new bulb for a tail light and my brake light does not work at all


  • The tail/brake light are double filament. So it is important to use the precise numbered bulb that your Jeep recommends. If it is a single filament only the brake or tail light will work depending on the bulb used.
  • It's also possible you happen to get a defective bulb.
  • If that checks out then there is a brake switch by the brake pedal that could be malfunctioning or a loose wire/connection.

  • Hope this helps and thank you for using FixYa.

Regards, Tony

Aug 12, 2011 | 1999 Jeep Grand Cherokee

1 Answer

I have a 2003 Jeep wrangler. All three brake lights don't work. The lights are fine because the tail lights work. I've replaced the pressure switch at the pedal with no results. Dan.


just because the tail lights work doesn't necessarily mean the bulbs are good, many brake/tail lights have multiple filaments in them, you can usually remove a bulb and tell with your naked eye if a filament has failed. Another possibility is a fuse. Are you getting power in and out of that brake light switch?

Feb 26, 2011 | 2003 Jeep Wrangler

1 Answer

My brake lights and rear blinkers are not working, I checked light bulbs (tail lights work) and fuses. what next


typically with gm the brake light and turn signals work on the same filament, so just because the tail lights come on does not mean that the bulb is not burned out. try simply replacing the bulbs.

Feb 21, 2011 | 2001 Chevrolet Cavalier

2 Answers

Tail lights don't turn on, but brake lights work


two fuses one for each side of the car ,it uses a combined stop and tail light bulb ,so change the bulbs or test them

Jan 08, 2010 | 2001 Volkswagen Golf

1 Answer

99 neon running tail lights do not work but tail lights work when brakes are applied....help


what you are seeing is the bright filament on the bulb working,
the tail light bulbs have two filaments in each bulb,one is dim and one is bright,the bright one is to the brake and turn signals,that way when you step on the brake with the tail lights on the same lens light up brighter to warn drivers behind you..
you need to check the fuses in the car for tail lights first,see if your plate light is on that will tell you the bulbs are just blown

Nov 22, 2009 | 2000 Dodge Neon

1 Answer

Head lights work, brake lights work, blinkers work, tail lights dont, replaced all fuses and bulbs


did you change any relays  swap some relays to see if you can get the tail lights working but something else will fail    do you mean marker lights  make sure you used the correct bulb type  many are dual filament bulbs and will not work right if you used single filament bulbs

Nov 03, 2009 | 1997 Honda Accord

3 Answers

Brake lights will not come on. It is not the bulb. The tail lights work.


The tail lights working would not necessarily mean that the brake light bulbs are good. If they are the type that have a double filament (ie: one filament for the tail light and another filament for the brake light ) the brake light filament could be bad and the tail lights still would work. If they are either single filament type bulbs or double filament type, I would check the bulb, fuses, and contact switch on the brake pedal.

May 10, 2009 | 2003 Chevrolet Suburban 1500

1 Answer

Only headlights work, 91 4dr EX


ok supaxang, could this solution be as simple as replace the 2 rear bulbs? The brake light and tail light (parking light) are the same bulb, 2 filaments, one for brakes, one for tail lights. If the the tail light filament burns out, the brake light will continue to work ok. It is quite possible that both tail lights burned out, and the brake light filaments are good and still working. Replace w/ bulb #2057. Let me know if this fixes it, if not, I'll keep working on it.

Oct 21, 2008 | 1991 Honda Accord

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