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#4480546 - 08/06/17 08:30 AM Ok, I may have a problem!
renegade_987 Offline


Registered: 04/07/11
Posts: 1563
Loc: Ankeny, IA
Alright guys, so I was out at a drapstrip tonight until about 11:30 or so. On our way out, my buddy called to let me know that my taillights weren't working except when I brake. Upon checking here's the situation. When I turn my lights on (Non-auto headlights) My headlights and rear license plate lights work fine. Taillights do not work at all if I don't press the brake. When braking, taillights work fine. Blinkers work, hazards work, but not normal taillights for just driving down the road. No interior lights work either. I do have the bulb warning light illuminated on my dash. This was turned on Friday, so I'm assuming I haven't had taillights since then. It turned on after I disconnected my rear seat interior lights (Did this while removing headliner to remove shark fin antenna for roof wrap) I did unplug the lights with the battery connected. I did plug the rear interior lights back in but no activity. I'm praying its just a fuse (its 1 AM here and I wanna sleep) since I'm 200 miles from home and don't have a ton of tools to work with. Thanks in advance! 2015 VW Jetta 1.8t

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#4480549 - 08/06/17 08:33 AM Re: Ok, I may have a problem! [Re: renegade_987]
Donald Offline


Registered: 03/21/04
Posts: 20461
Loc: Upstate NY
Fuse or ground.
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#4480555 - 08/06/17 08:35 AM Re: Ok, I may have a problem! [Re: renegade_987]
Mackelroy Offline


Registered: 12/03/04
Posts: 1006
Loc: Florida /Texas
Those are normally dual filament bulbs , pretty cheap to test a new bulb. Both filiments have to be good to work correctly.


Edited by Mackelroy (08/06/17 08:36 AM)

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#4480605 - 08/06/17 09:36 AM Re: Ok, I may have a problem! [Re: renegade_987]
yesthatsteve Offline


Registered: 06/27/11
Posts: 722
Loc: Kansas City, MO
In many cars, the dash lights and tail lights run on the same fuse. It's a safety precaution, so that you'll notice not having dash lights at night and be inclined to do something about it. Identify the fuse and change it.
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#4480614 - 08/06/17 09:44 AM Re: Ok, I may have a problem! [Re: yesthatsteve]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: yesthatsteve
It's a safety precaution, so that you'll notice not having dash lights at night and be inclined to do something about it. Identify the fuse and change it.


Yes, same here. Discovered this when my trailer tail light wire shorted to the frame.
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#4480624 - 08/06/17 09:58 AM Re: Ok, I may have a problem! [Re: Mackelroy]
exranger06 Offline


Registered: 01/25/08
Posts: 3909
Loc: Guilford, CT
Originally Posted By: Mackelroy
Those are normally dual filament bulbs , pretty cheap to test a new bulb. Both filiments have to be good to work correctly.

^^This. Many times just one filament burns out, while the other filament keeps working. Just because the brake/turn signal filament still works, doesn't mean the bulb is good. The taillight filament is probably burned out in both of them.
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#4480636 - 08/06/17 10:19 AM Re: Ok, I may have a problem! [Re: renegade_987]
BrocLuno Offline


Registered: 09/06/15
Posts: 5519
Loc: Kalifornia Kollective
^^ This ...
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#4480742 - 08/06/17 12:26 PM Re: Ok, I may have a problem! [Re: renegade_987]
renegade_987 Offline


Registered: 04/07/11
Posts: 1563
Loc: Ankeny, IA
Ok, so put new fuse in, it blew as soon as I turned the lights on. Tried a few and they each blew. Where should I go next?
_________________________
2015 VW Jetta 1.8t - Pennzoil Euro/VW OEM
2004 F150 - Valvoline WB/Motorcraft
2008 HHR - Mobil 1 / WIX
2005 500 - Citgo Synthetic/Fram XG


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#4480752 - 08/06/17 12:36 PM Re: Ok, I may have a problem! [Re: renegade_987]
AVB Offline


Registered: 05/20/12
Posts: 1283
Loc: Georgia
to sleep. drive home in the daylight.

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#4480767 - 08/06/17 12:47 PM Re: Ok, I may have a problem! [Re: renegade_987]
mk378 Offline


Registered: 09/27/15
Posts: 1420
Loc: USA
There is a wire shorted to ground somewhere. Start by looking at the wires you disturbed. If you unscrewed a piece of trim you may have accidentally driven the screw through the harness when putting it back.


Edited by mk378 (08/06/17 12:47 PM)

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#4480797 - 08/06/17 01:09 PM Re: Ok, I may have a problem! [Re: mk378]
gabriel9766 Offline


Registered: 05/10/15
Posts: 936
Loc: Missouri
Take the car to the dealer if u are still under B2B warranty.
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2007 Ford Escape XLT FWD 3.0 V6 motorcraft 5w30 bulk and a motorcraft FL500s 109,944K


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#4481128 - 08/06/17 06:54 PM Re: Ok, I may have a problem! [Re: renegade_987]
SilverFusion2010 Offline


Registered: 06/29/11
Posts: 1663
Loc: Crawfordville FL
Follow your power wire from the fuse box all the way to the tail lights. It's pinched or scraped somewhere.
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2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30

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