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Thread: Installing auto-dim rearview mirror

  
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    d1kelsey's Avatar
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    Installing auto-dim rearview mirror

    Hi,
    In my old company car I had an auto-dimming rear view mirror, does anybody know if it is possible to fit one into my personal car?
    It is an 05 plate Astra Estate Club edition.

    Many thanks for your help.

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    Yes, you will need to make 4 connections, Ignition, Earth, Reverse & the light switch.
    What donor car has the mirror come from, as there seems to be two different types out there.
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
    Install progress (----------)

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    sorry about the time it has taken to get back to you. The mirror has got 4 cables (black, brown, grey and white) coming out of it going to a connector, the connector has 2 cables (brown and black) coming out of it to go the car. I now have the mirror with me so can give serial/model numbers if required.

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    Ok, if it's come out of an Astra it should be as follows
    • Black - Ignition, switched 12v
    • Brown - Ground
    • Grey - Reverse, switched 12v
    • White/Black - Interior light, switched ground
    If it's from a Zafira it should be as follows
    • Black - Ignition, switched 12v
    • Brown - Ground
    • White/Black - Reverse, switched 12v
    • Grey - Interior light, switched ground
    Hope this is of some help to you.
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
    Install progress (----------)

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    Thanks for that, i've been told it is definitley the Astra (newer 56 plate) Because i dont want to destroy anything in the car, do you know where i need to pull things apart?
    Is there a wiring loom of sorts hidden behind the interior light fitting?

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    You should get the earth, ignition & interior light switch feeds behind the standard interior light. The reverse wire can be found in the passengers kickwell. Just run a wire from it up the A-pillar to the interior light area.
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
    Install progress (----------)

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    Thats excellent thanks, so to re-cap do i just need the Earth/Ground and the ignition cables, as these are already present from the old wiring system that the mirror came from. The cables have literally been cut off from the previous cars wiring system.

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    You need the following:-
    Black - Ignition, switched 12v (pick up off interior light)
    Brown - Ground (pick up off interior light or use screw on roof)
    Grey - Reverse, switched 12v (pick up at passenger kickwell, large multiplug)
    White/Black - Interior light, switched ground (pick up off interior light)

    This is for the earlier (Astra) mirror.
    Spares now only supply the later (Zafira) version who's wiring colours are slightly different.

    Black - Ignition, switched 12v (pick up off interior light)
    Brown - Ground (pick up off interior light or use screw on roof)
    Grey - Interior light, switched ground (pick up off interior light)
    White/Black - Reverse, switched 12v (pick up at passenger kickwell, large multiplug)
    2003 Sapphire Black 3Dr DTi Astra
    Custom Irmscher kit, Interior Leather/Alcantara retrim & Alpine/Focal Install
    Install progress (----------)

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    for the Grey - Reverse wire

    connect in passenger kickwell, large multiplug but where wire??? i have 8 wire in multiplug in the down chair....

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    Reverse light wire colour will be White/Black mate
    Want a professional job done on fitting your aftermarket electrical accessories? PM me for a quote
    Electrical fault finding also taken on
    Located in N/W London HA3, and willing to travel within reason





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