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Audi A4 Rear Defroster Not Working

a lot of times over the years they snap off the glass and no longer work. Motoza PODI BAE Parts4Euro BAE turbo, 550 injectors, Greddy FMIC, S4 TB,Snow meth kit, Privat Werks 19 X 8.5, Solowerks Coilovers, 034 end links, RS4 rear sway, Deval Splitter, 15% tint, Any help would be appreciated! Cheers *EDIT Had some assistance from a work mate and checked the boot for the relay sound 'click' when pressing the demister power button which we could clearly hear coming from this contact form

Laser Red 2000 Audi A4 Sedan 1.8TQM Reply With Quote MarcMiller View Profile View Forum Posts Private Message View Blog Entries Member Join Date Sep 21st, 2010 Location Philadelphia Posts No issue with radio adapter harnesses as well. 2002 A4 2.0TQ 5M. 233k+ mi FWD->AWD Bische tuned GT2871R/630cc, JHM RS4 clutch, ER Comp FMIC, BB stealth exhaust DIY 4:1 diff, B5 I never thought or needed to use the re-defrost yet. now my rear defrost work like a charm. http://forums.vwvortex.com/showthread.php?6873946-A4-Sedan-Rear-Defroster-Not-Working-(HELP-NEEDED!)

I also used this how-to for photos of whats under the D-pillar. I barely drive anymore so much less for me. Professional Racing Racing Technology Forum Amateur Racing Autocross Drag Racing Misc. The defroster just does not work.

Last edited by Matt Devo; 12-17-2013 at 12:05 AM. 2002 A4 2.0TQ 5M. 233k+ mi FWD->AWD Bische tuned GT2871R/630cc, JHM RS4 clutch, ER Comp FMIC, BB stealth exhaust DIY 4:1 diff, Username or Email Address Do you already have an account? I had mine fixed when i had my rear window glass resealed. You both get dirty and the pig likes it. -George Bernard Shaw 1854sailor View Public Profile Send a private message to 1854sailor Find More Posts by 1854sailor February 23rd,

Honestly I've just been to lazy to take the rear deck and what not off to figure out what the problem is. The switch still lighted and clicked when pressed so, I assumed that it was fully powered. Thanks Matt. Sent from my SM-N910F works now 👍 weird why they're been swapped over in all 3 cases??

Both sides are fully connected to the rear glass, and the wiring as well as the contacts appear to be in good condition. Audizine is not endorsed by or affiliated with Audi AG. www.tdiclub.com Economy - Longevity - Performance The #1 Source of TDI Information on the Web! Laser Red 2000 Audi A4 Sedan 1.8TQM Reply With Quote crazyquik22023 View Profile View Forum Posts Private Message View Blog Entries Member Join Date Jun 17th, 2013 Location North Royalton, Reply With Quote 12-01-201411:15 AM #11 Charles.waite View Profile View Forum Posts View Blog Entries View Articles Veteran Member Four Rings Join Date Jun 27 2011 AZ Member # 77478

Audi A5 Forum & Audi S5 Forum > Audi A5 & Audi S5 Forums > A5 & S5 Topics > Rear Defroster / Demister not working - wiring help? http://www.audiforums.com/forum/audi-a8-10/rear-window-defroster-80183/ I may also have to handle this. Iím sorry for the delay in posting this update but I was swamped with work and traveling. Does anyone have a wiring diagram so I can diagnose?

If you're new to forums in general, be sure to check out the Forum FAQ. weblink Yesterday 09:32 PM by Dan616 2 Audi S5 amp replacement Yesterday 07:30 PM by Flalex -- Audi A5 Forum & Audi S5 Forum (Full) -- Audi A5 Forum & Audi We will re-wire such that F-5 provides constant power to the relay; F-6 will be split to trigger the relay and provide power to the rear defroster. I am pretty sure the circuit for the rear defogger is wired to the load reduction relay as well.

See my photos attached of what was hiding under the C-pillar. I am not exactly freaking out that it's not working though. turtle1026 View Public Profile Send a private message to turtle1026 Find More Posts by turtle1026 February 23rd, 2012, Oh , 6 Speed, Quattro. 143k. http://bosseur.net/audi-a4/audi-a4-front-defroster-not-working.html I would recommend checking a few things: 1.

Search Forums Show Threads Show Posts Advanced Search Go to Page... I would still like a wiring diagram if someone has it. turtle1026 View Public Profile Send a private message to turtle1026 Find More Posts by turtle1026 February 24th, 2012, Ever since I bought my used A5 the rear window defroster has not worked.

clean up work area. 9) profit :) edit: found this nice diagram from woorlord on audi-sport.net: Hope this is useful.

While in your garage you will be able to hear a 'click' com from the trunk when you press defrost button. 2. thank you. I'll just cram it in there then. One side should be at 12V and the other side will likely be grounded.

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Do you know of a good source to get a repair kit? remove the d-Pillar covers and check the defroster leads for continuity to make sure you do not have any breaks in the circuit. 3. In this case it was easy to see the crack, but in other case like cruise control module it can very difficult to see it. Note that passwords are case-sensitive.

I am out of warranty, so I figured I would try to solve this on my own. a lot of times over the years they snap off the glass and no longer work. I'm glad you were able to fix it and take some pics of the repair. Power goes from the HVAC to the rear defroster via wire F-6.

So you move the window lead one position to left on the suppression device? (as in my hastily edited picture below) I will have a go this eve and check your I have power to the switch. Thanks for you help! 2010 Audi A5 3.0TDI Quattro Sport Last edited by Nedbenson100; 15th October 2015 at 11:53 PM. Is the element on the passenger side of the car?

After calling an Audi Parts guy to figure out which relay controls the rear defroster, I was told that it is Relay #7 under driver's side dash panel. All rights reserved. What relay should I check? I assume finding those is no big deal. -CP 2008 Brilliant Black Unicorn (2.0t S-Line Ti 6MT Avant) - Bosch FR6KPP332S plugs - Q5 Rear Aero Wiper 2012 Q5 2.0t -

like doors module and cruise control module, cluster etc... By the time I got to the ground, it was already dark, so visibility into the console recess was limited. I wasnít suspecting it as the source of the problem. My rear windshield isnít tinted so, the defrost lines seem to have no chips or breaks.

Any thoughts? Looks like the same,?? & the left hand 10mm nut is loose Sent from my SM-N910F sbones is offline Quote Quick Reply post #9 of 12 Old 1st May 2016, It's free and it's easy, so don't hesitate to join the Audizine Family today!

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