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Author Topic: dimming rear view mirror  (Read 3084 times)

Offline marinabrid

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  • Model: Galaxy Mk2 Auto
  • Spec: 54 2.8 ghia
  • First Name: Martin
  • Region: Yorkshire
  • Country: United Kingdom
dimming rear view mirror
« on: January 03, 2016, 07:11:29 PM »
Evening all
Is there a way to test the interior mirror ,   its supposed to dim according to the book, but i cant see it seems to change,.   should it go very dark at night ?    i see a little sensor on the front and back so presume these have something to do with the way it works

thanks
www.themarina-bridlington.com
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Offline insanitybeard

  • Greetings from Mr Chick!
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  • Model: Galaxy Mk2
  • Spec: '54 130ps TDI Ghia
  • First Name: Paul
  • Region: South West
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Re: dimming rear view mirror
« Reply #1 on: January 04, 2016, 01:17:50 AM »
If I'm correct, the front (forwardmost) sensor detects ambient light and the rear one detects light from headlamps shone from behind when driving in the dark. If my reasoning is correct, the way to test would be to cover the front sensor with some opaque tape (to fool the sensor into thinking it's dark) and then shining a light source into the rear sensor, you should then be able to see the mirror dim if it's working properly.
Always learning..... Often by mistakes!

Offline marinabrid

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  • Posts: 419
  • Thanked: 1
  • Model: Galaxy Mk2 Auto
  • Spec: 54 2.8 ghia
  • First Name: Martin
  • Region: Yorkshire
  • Country: United Kingdom
Re: dimming rear view mirror
« Reply #2 on: January 04, 2016, 10:12:13 AM »
Thanks for that    will test it
www.themarina-bridlington.com
discount for members and an extra sausage !

Offline Mirez

  • Pondering the next mod...
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  • First Name: Mark
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Re: dimming rear view mirror
« Reply #3 on: January 04, 2016, 04:48:50 PM »
All my previous VW's have had a switch on the bottom of the mirror, I can't say I've ever looked at the Galaxy but it may also have one.

It's also only powered when the headlights are on and also won't function if the car is in reverse :)
03 Ford Galaxy 1.9 TDI 115 Ghia in Spruce Green Metallic
With cream leather interior, Full Bodykit, Remapped at 145bhp, Lowered on 18's
14 VW Tiguan 2.0 TDI 177 AWD R-Line in Deep Black Pearl
With panoramic sunroof, bi-xenon headlights remapped at 205bhp.
08 Ford Transit 2.2 TDI 115 in Frozen White
With retrofitted everything except another slidey door! :)

VCDS HEX/CAN - Scans/Coding done in Wiltshire in exchange for winegums! :)

Offline SilverBeast

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  • Spec: '05 TDI (130) Ghia
  • Region: Yorkshire
Re: dimming rear view mirror
« Reply #4 on: January 04, 2016, 09:09:09 PM »
...also it doesn't dim very quickly.  I thought mine wasn't working for a couple of years before finally figuring it out!

Offline marinabrid

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  • Posts: 419
  • Thanked: 1
  • Model: Galaxy Mk2 Auto
  • Spec: 54 2.8 ghia
  • First Name: Martin
  • Region: Yorkshire
  • Country: United Kingdom
Re: dimming rear view mirror
« Reply #5 on: January 05, 2016, 05:10:29 PM »
managed to check it while daylight as suggested.,   blocked the front sensor and shone light into other, you do need to stare a fair while  but you can then see the glass darken,  then lighten up much faster when sensor uncovered
thanks for all help
www.themarina-bridlington.com
discount for members and an extra sausage !

 

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