Question about Hyundai Motor 2003 Elantra

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Brake lights dont turn on but the 3rd one does

When the headlights are one the brake light are work but when i push the brakes the only one that light up is the third one above the trunk

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6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 3rd brake light

This is how i did it on my 2006 Sonata

1.) unplug the connector in the trunk (its a small white plug running up to the third light, there should be a small clip you squeeze).

2.) remove the 2 gold-colored screws from inside the trunk. They can be seen from the trunk. 1 is thru the larger square opening where the wire connects to the 3rd brake light. The 2nd is on the right side thru a small (screwdriver width) hole covered by a piece of foam tape stuff I had to punch me screwdriver through the foam to get to it.

3.) after removing the 2 screws, go inside the cabin and the brake light housing pops up.

4.) disconnect the bulb from the housing while inside the cabin (I had to do this with me two forefingers since the housing only pops up and inch or two).

5.) in the trunk remove the wire and bulb. (it's about 5 inches long. the wire from the connector to the bulb socket)

6.) reverse steps to install.

It is a pain and reqiuires a bit of time only because there isn't a lot of room to move around, but it beats taking it to the dealershio!

Posted on Oct 29, 2008

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ghost4548
  • 776 Answers

SOURCE: My high level brake light has bruned out,(third brake light). I was informed by the dealer the back window panel has to be removed to replace the 3.00 dollar bulb, total cost 75.00 dollars. With some

replace the bulb...??? This requires you remove the rear package deck (to access the bulb & socket). to do this, remove the seat bottom (two bolts hold the rear seat bottom to the chassis, then remove the bolts which hold the shoulder cushions (LH & RH - 12mm bolts) then remove the cosmetic molding around the trunk access (7 to 8 screws) then remove the "C" pillar covers (SRS curtain airbag LH & RH) to access the rear deck package & access the third brake lamp bulb. replace it, then reassemble.

Posted on May 26, 2009

ghost4548
  • 776 Answers

SOURCE: Problems with brake lights on my 2000 Jeep Grand Cherokee

YES -- process of elimination. Obviously there's a short circuit in the Brake/Headlight circuits - right? Blown fuse(s) is/are evident of this -- would you agree? Which fuse(s) is/are blowing? An analysis tells you that the only time a fuse blows is when the headlamps are turned on -- correct? Otherwise, brake lights work normally -- right? OK. Head lamps have relays which turn them on. Here's a wiring diagram of the 2000 Hyundai Sonata (NOT the Jeep Grand Cherokee)
7a9e354.jpg a663f53.gif It would appear the problem is with one or more bulbs or sockets or both. As you many notice, there are no connections between the headlamps and brake lamps except the parking lamps (which share the bulbs/sockets)
c7068ec.gif When the headlamps are turned on, so does the tail lamp relay. As you can see, these bulbs/sockets are 'DUAL' filament to ground (series-parallel circuit). Just a guess here - the short is in one of the lower rear brake/parking lamp bulbs/sockets.... just a guess.

Posted on Jun 20, 2009

  • 83 Answers

SOURCE: 2007 Hyundia Sonata Brake Lights

There was recall for the 2006 and 2007 Hyundai Sonata Brake Light Switch assembly. www.promanuals.net

Posted on Jun 28, 2009

ghost4548
  • 776 Answers

SOURCE: trunk light and dash light always on

I would have to agree it's an electrical problem. It might simply be a defective trunk lid latch switch. Here's the wiring diagram:


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Posted on Jun 28, 2009

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