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-- 997 --
Österreich


Joined: 11 Jun 2015
Posts: 970



PostPosted: Sun Mar 11, 2018 12:12 pm    Post subject: 3rd Brake light warning ---------- Reply with quote

Hi, this morning I decided to take the car out on a run on the M25 but when driving the car out a the garage a warning in screen says 3rd Brake light warning, got me son to stand at the rear if the car and I pressed the brake but the no light!!

Question is what kind of bulb is in there or what needs to be changed and also how do I take the light panel off for access etc?

Cheers


J
 
  
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FZP
Watkins Glen


Joined: 18 Jan 2015
Posts: 2028
Location: Cheshire


PostPosted: Sun Mar 11, 2018 12:54 pm    Post subject: Reply with quote

I believe it's an enclosed LED unit and you have to replace the whole light bar
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997.2 Carrera 2S GT Silver/Cocoa.
 
  
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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
Posts: 13261
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sun Mar 11, 2018 1:12 pm    Post subject: Reply with quote

J, Check its not just a loose wire first before you buy a new unit , and put your retractable spoiler up and see if the light in that is working or not as if its not then its likely a loose wire Thumb
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rhino-man
Monza


Joined: 17 Oct 2015
Posts: 224
Location: Kent


PostPosted: Sun Mar 11, 2018 2:49 pm    Post subject: Reply with quote

Mines got condensation in it but still works, hopefully being changed when it goes in for some warranty stuff tomorrow.
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2001 996 C2 Convertible
 
  
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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
Posts: 13261
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sun Mar 11, 2018 3:41 pm    Post subject: Reply with quote

Problem with all this LED stuff it gives off no heat to stop moisture gathering nooo
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-- 997 --
Österreich


Joined: 11 Jun 2015
Posts: 970



PostPosted: Sun Mar 11, 2018 3:58 pm    Post subject: Reply with quote

Hi Phil, I have a GT3 spoiler fitted more than a year ago and my mate turned of the retractable so no errors will kick in but the rear light used to work etc. Are these led bar lights expensive and how do I take off to check ?

Cheers

J
 
  
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Phil 997
Brands Hatch
Brands Hatch


Joined: 05 Dec 2015
Posts: 13261
Location: Bournemouth,Dorset

2009 Porsche 997 Carrera 4S

PostPosted: Sun Mar 11, 2018 4:27 pm    Post subject: Reply with quote

-- 997 -- wrote:
Hi Phil, I have a GT3 spoiler fitted more than a year ago and my mate turned of the retractable so no errors will kick in but the rear light used to work etc. Are these led bar lights expensive and how do I take off to check ?

Cheers

J


Ah thats knackered that check then lol . all I can suggest is get it checked for current and if its blown then get another unit , from memory around the £60/70 mark Thumb its not difficult to remove the whole panel with the brake light in to check the wiring etc.
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PanozGTR
Newbie


Joined: 05 Jul 2017
Posts: 49
Location: West Sussex


PostPosted: Sun Mar 11, 2018 4:46 pm    Post subject: Reply with quote

I have just had both rear light clusters replaced on warranty, so it shouldn't be a problem.
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2009 997.2 C2S Macadamia/Cocoa
Sold,
Audi B8 S4
Subaru WRX Impreza
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Jam911
Barcelona


Joined: 31 Oct 2010
Posts: 1394



PostPosted: Sun Mar 11, 2018 7:53 pm    Post subject: Reply with quote

No bulbs it's LED, replaced mine last year.

About £100
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Current '07 997 C4S
Ex '99 2.5 Boxster
 
  
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-- 997 --
Österreich


Joined: 11 Jun 2015
Posts: 970



PostPosted: Sun Mar 11, 2018 8:22 pm    Post subject: Reply with quote

Jam911 wrote:
No bulbs it's LED, replaced mine last year.

About £100


Id rather take off the 3rd Brake light and test the power to the brake light just to confirm it isn't an electrical fault but as you guys says it's most likely to be the brake light..

Can anyone tell me how to take that back panel off where the brake light sits in ?

Cheers

J
 
  
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Jam911
Barcelona


Joined: 31 Oct 2010
Posts: 1394



PostPosted: Sun Mar 11, 2018 9:15 pm    Post subject: Reply with quote

Yep.

Take off the rear carpeted trim panel that butts up to the windscreen inside, you have to pull hard to get this off.

I ordered new clips from Porsche as they can brake when pulling the carpeted trim.

Then use a long , I think 10ml socket, to undo the brake light strip.

You unplug the light strip and plug and new one in,

It's fiddly but pretty simple.

I think there is a guide if you Google it,
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Current '07 997 C4S
Ex '99 2.5 Boxster
 
  
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-- 997 --
Österreich


Joined: 11 Jun 2015
Posts: 970



PostPosted: Mon Mar 12, 2018 1:41 pm    Post subject: Reply with quote

Thanks for your replies all !! I managed to take out the back 3rd Brake light!! Wasn't bad as I thought..

Well what i did was I attached the light straight to the battery and it lights up so that's £80 saved!! Then i used a multimeter on the wireing loom to the brake light to see if any voltage is shown but the ground (negative) showed no connection to cabling so I by bypassed this to The chassis and tested it again on multimeter and shows voltage and connected it up and works. Reason is this in think it's because I made a tailgate wiring loom for the fan and light for the GT3 spoiler and the original tailgate loom which was originally used I've put back in the standard tailgate anyway there is a switch that turns off the 3rd Brake light when the tail raises... so what happned was the new loom that i made I did not make a bypass cable to activate the 3rd Brake light on, hope that makes sense. So it's bypassed on the chassis rather than switch.

The rear seating area is bloody small, I felt like claustrophobic in there.. SOD that if I'm to do it again!

Cheers !!

J
 
  
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