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Hyundai Repair/2003 Hyundai Tiburon GT electrical problem

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D wrote at 2006-09-01 07:45:46
I own a 2003 Coupe SE and exactly the same thing happened to me as above, after checking all fuses including behind radio, this answer above saved me more expense, it was indeed the fuse in the yellow holder, so I must thank you for this as it saved me a lot more trouble trying to pinpoint it, thanks again.  


Tiburemon wrote at 2007-10-02 01:37:54
It sounds scarily familiar...



I have a 2003 4 cylinder coupe and the same symptoms started happening first the clock stopped keeping time then my power windows stopped working sporadically --

It seemed that when I stepped on the brake previously everything electronically "burped" at first -  A month ago all my interior lights, clock, radio turnsignals and power locks just went down and yet all the signals, brake and running lights were still working fine so it was still drivable





This time though it all went down and stayed that way no running lights brakelights signals taillights dash or interior lights of any sort with no power to windows and power locks in a remote area  -  after a scary ride to the dealership they give me the bad news that the main control module not only shorted, it MELTED down, and was verging on a fire hazard : the replacement was ONLY $1600 bucks to replace it with a year left on my lease and the 3 year warranty already cooked so no help there at all -  This should be the basis of a major recall and covered as really poor quality as it was only the last of several flaws with the Tiburon body parts - don't get me wrong, afterall the engine and drivetrain are fine but after the powerwindows seizing up, both the doorlocks failing and now this I really have no love of the Hyundai brand or dealership --  My advice is to get it in for full electrical diagnostic asap before it hits critical mass like mine did and they get you coming and going - oops time to jump on my bicycle for the 10 mile trip home so good luck & buy Mazda  


Ricker wrote at 2007-11-16 13:39:45
It sounds like it may be the device that controls all the electrical systems in the car.  It is what houses all the fuses under the hood of the car.   I had to get mine replaced.  And I think it started when my drivers side window started to act up. And then again when my turn signal started to go on the fritz.  Make sure you get it done by the 60,000 miles cause its expensive to replace.


Muggs wrote at 2008-06-07 02:14:16
Mine is doing same thing its a sunroof leak on the amp in the panel behind rear speaker on drivers side...


Adrian wrote at 2008-10-02 11:39:47
The dealer took you for a sucker. I have the same exact problem. The problem is a manufacture defect with the sunroof which leaks inside you car directly onto your amp. If you take down the side wall you can see in the flesh when it rains. If your radio no longer works it is becauseyour because your amp finally went. I myself bought a new amp and tried sealing the issue but it is still leaking. You gotta do a really search there is a service bulletin from Hyundai for this problem.


Jim wrote at 2008-11-13 01:17:35
The fact is that the amplifier is placed over the back wheel. There is water that goes in the interior and makes trouble with the amp. I pull my amp out and clean it up. That makes everything goes good and I heard no more noise with my speakers...


Andy wrote at 2009-04-27 21:05:44
It's a pretty well known issue on other forums that the sunroof internal water runoffs are shoddy, and when they go, water leaks down the inside of the roof (between the top of the car and the headliner) down the right rear pillar, and directly onto the factory amp, rusting and shorting it. The sunroof runoffs are covered under TSB, but the factory amp is not. Kind of sucky. I would recommend having a decent car stereo place install a cheap deck for 100$ circumvent the cars wiring harness entirely. It will probably be an extra 100-200$ for install, but that beats replacing factory amps every year or so.


jb wrote at 2009-06-15 07:21:47
I had this problem too with the same car.  After 7 replaced radios, all under warranty, it was finally discovered that the drain tubes for the sunroof were out of line.  Instead of draining out into the body and out of the bottom of the car, they were draining into my subwoofer.  If you have a sunroof, I bet that's your problem.


raptorman wrote at 2009-09-02 00:37:06
I had the same problem with my 2003 Tiburon.  The problem is that the rain leaks down the rear drainage tubes from the sunroof.  This drips water on the amp which causes it to short out.  We now park our car nose down on a hill so the water drains down the front drain tubes and the problem is solved.  Still sucks when you're driving in a storm.


Chuck wrote at 2009-11-11 01:34:23
I found that while checking my fuses that i had pulled out what looked like a black plastic "fuse puller" that was actually some kind of jumper.  I had accidentally re-installed it reversed.  I reversed it back to its original position and all lights, clock, radio, etc.. work normal now.


Chuck wrote at 2009-11-11 01:39:43
I found that while checking my fuses that i had pulled out what looked like a black plastic "fuse puller" that was actually some kind of jumper.  I had accidentally re-installed it reversed.  I reversed it back to its original position and all lights, clock, radio, etc.. work normal now.


etionee wrote at 2010-04-17 17:30:20
I am currently going through the same hassle with my Tib, which oddly enough is exactly the same model. Is this something common with '03 Tibs? Did you manage to find an answer to your problem? I am getting desperate here, I live in a tropical island and it rains here all the time!


03tibproblem wrote at 2011-01-18 16:04:52
your problem with the amp is if you have a sunroof the drain for it is messed up and its draining into you speakers because right now mine is doing the same thing. The drain is suppose to go from the sunroof through the frame of you car and drain out the wheel well, but like mine the drain either needs replaced of fixed. If you can pull out your amp and see if its wet behind it. Mine is my rear drivers side speaker and yesterday it started doing the whole staticing out and everything and the headliner of my car was wet and i saw the water in the speaker.


Tiburon_electrical_hater wrote at 2013-09-02 20:43:33
2003 Tib. sunroof leaking into my amp too. For the past year radio would get all static-y during a heavy rainpour, and then finally radio stopped working completely last month. Tore out back seat side panel behind driver seat to reveal rain or car washing was getting water into amp, guessing its fried completely. We jumped some wires and bypassed amp. radio working fine again, but water still dripping over that rear side speaker. Still trying to find the drainage tubes holes inside sunroof, unsuccessfully so far. Also have trouble with AC controls for fan, etc.. not making solid connection on mine or BF's Tiburon one year newer than mine. Hyundai missed the mark with electrical control issues!


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