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Topic Review (Newest First)
02-09-2014 03:38 PM
LMacNeill Ok... Silly question... I can't figure out how to get the old mirror off the mount? Thought there'd be a Torx screw or something, but there's nothing there. Looks like there's a plastic cover over where a Torx screw should be, but I can't seem to pry that off...

Any tips?


EDIT: Ok, I got the old mirror off... CAREFULLY slide a flathead screwdriver into the slot at the bottom of the holder (you can't see it unless you crane your neck and look up at it from the bottom of the dashboard) then GENTLY pry down with the screwdriver and it will slowly pop off...

Now how do I get the "roof console" out? You know, the thing that has the sunglasses-holder and the buttons for the interior-lights/ambient-lights/moon-roof? A previous post here made it sound so easy -- stick a screwdriver into the holes on either side of the button that releases the sunglasses-holder, and it't pops right off... Well... The screwdriver just slides right back and does nothing. No clips to catch, or so it would seem... What's the trick that I'm missing here?

EDIT2: Oh, never-mind -- I'm an idiot. He said go STRAIGHT back through those holes -- I was going at an angle. Straight back, and it's just barely in there, and the clips pop loose. Ok. :-)

EDIT3: Done! And it works, too! Yay!
02-07-2014 09:35 AM
LMacNeill
Quote:
Originally Posted by dbsimms63 View Post
I couldn't back probe my connection, my probes were too thick...
I have found that T-pins or even paper-clips can be useful in back-probing connections when the multimeter leads are too thick to fit in there. Gotta be careful when using the T-pins especially, as they're sharp enough to tear thru the wiring insulation, but I've never had major problems using either T-pins or paperclips to back-probe things. But maybe I've just been lucky. :-)
02-07-2014 09:28 AM
LMacNeill
Quote:
Originally Posted by garyd9 View Post
On my job2 2013 Ti, I couldn't find a harness/plug in the headliner for an auto-dimming mirror.

My Gentex autodimming mirror (with homelink) had three wires: ground, constant 12v (homelink) and ACC (ignition) 12v. I was able to wire all three into the moonroof MOTOR harness.

If you pull out the plastic upper console (that contains the sunglass holder, moonroof switch, etc), and look up into the roof (assuming you have a moonroof), you should see a gray connector that plugs in facing the passenger side of the car.

The BLACK wire (heavier gauge, thin white stripe) is ground.

The white wire (thinner gauge) is accessory power and turns off immediately with ignition.

In one corner of the connector, there's a heavier gauge orange wire (forget the stripe and I didn't get photos) that's constant power.

TEST ALL OF THIS BEFORE TAPPING ANYTHING!!!!!!

Get a cheap multimeter... you shouldn't be messing with wires without one. Learn how to check for 11-15 volts DC. Test everything you read on these websites. Don't tap wires unless you've seen for yourself what they do.

If you don't have a moonroof, It's possible you still have the harness and plug. Check and see... if you do, it's a great source for the mirror.
Thanks so much for posting this!! Because of your post, I just ordered me a Gentex GENK40A mirror (auto-dimming, Homelink, but no compass -- who needs that when you've got Nav on the big screen, plus the compass on the small LCD screen in the instrument panel?)

I had gone to my Ford dealer to see if I could get an OEM electrochromic mirror installed, and I don't think the service guy knew what he was talking about. He said the mirror itself was $200, but that there was some kind of "control module" needed that would be an additional $200 or $300 (he didn't know exactly) and then all kinds of wiring and labor that would cost $900 more. So final price was around $1400 or $1500!! Totally crazy. His insistence on that "special control module" really threw me for a loop -- I thought maybe there was some high-voltage transformer or something that had to be installed to make it work (kind of like HID headlights, you know?)

So glad to hear about your experience with this -- I have a moonroof in my 2014 Titanium, and will tap into those wires. Thanks for making it so much easier than it otherwise would've been!
02-02-2014 01:42 PM
helomech I was considering an auto-dimming mirror, but recently had my rear windows tinted (20%) and decided against it.

I realized that my rear window tint provides 3/4 of the same effect of an auto-dimming mirror during night driving. I also like that I can still flip up the standard mirror when I need extra "dimming," for those times when a lifted HID equipped truck is riding my tail.

You might rethink an auto-dimming mirror if you plan on getting aftermarket tint installed. I had the combo on my old 3 series, and it resulted in too much dimming. Of course, the auto-dimming mirror gives the cars an upscale appearance, so if that's your goal, then ignore this tip.
01-30-2014 04:23 PM
Clump
Quote:
Originally Posted by SilverPony2001 View Post
For those that have installed an auto dimming mirror, does the illumination of the buttons on the mirror match the color of the interior illumination?
On mine the buttons aren't illuminated. There's a dim green light when it's on and when I press a homelink button it flashes bright red.
01-28-2014 11:18 AM
SilverPony2001 For those that have installed an auto dimming mirror, does the illumination of the buttons on the mirror match the color of the interior illumination?
01-04-2014 07:27 PM
dbsimms63
Quote:
Originally Posted by garyd9 View Post
On my job2 2013 Ti, I couldn't find a harness/plug in the headliner for an auto-dimming mirror.

My Gentex autodimming mirror (with homelink) had three wires: ground, constant 12v (homelink) and ACC (ignition) 12v. I was able to wire all three into the moonroof MOTOR harness.

If you pull out the plastic upper console (that contains the sunglass holder, moonroof switch, etc), and look up into the roof (assuming you have a moonroof), you should see a gray connector that plugs in facing the passenger side of the car.

The BLACK wire (heavier gauge, thin white stripe) is ground.

The white wire (thinner gauge) is accessory power and turns off immediately with ignition.

In one corner of the connector, there's a heavier gauge orange wire (forget the stripe and I didn't get photos) that's constant power.

TEST ALL OF THIS BEFORE TAPPING ANYTHING!!!!!!

Get a cheap multimeter... you shouldn't be messing with wires without one. Learn how to check for 11-15 volts DC. Test everything you read on these websites. Don't tap wires unless you've seen for yourself what they do.

If you don't have a moonroof, It's possible you still have the harness and plug. Check and see... if you do, it's a great source for the mirror.
These wires are EXACTLY CORRECT! I couldn't back probe my connection, my probes were too thick, and I played a hunch that this was good information, and it was. I tapped the wires with T-taps, plugged in my mirror and it worked. I unplugged everything and made sure all the stock items in the console worked, they did, and then I buttoned everything up and tested one final time. All is good with the world now that I have a functioning auto dimming mirror with on/off switch, compass and Homelink, all for under $100.
https://drive.google.com/file/d/0BzC...it?usp=sharing
https://drive.google.com/file/d/0BzC...it?usp=sharing
https://drive.google.com/file/d/0BzC...it?usp=sharing
12-27-2013 09:19 PM
Rob Ocelot I just wired up a Gentex 50GENK-2A mirror (basic dimming, no frills) to my Titanium hatch and it was dead easy. Hardest part was removing the original mirror. Used an Add-A-Circuit fuse extender off Fuse 85 (7.5A original, and put a 3A fuse inline with it -- probably not necessary as the mirror draws less than 500mA). Just snake the wires under the headliner, under the top of the A pillar (easy to pull out a bit and get the wires in there) and down the passenger door weather stripping and out under the glove box). You will need to do either some minimal soldering to connect the Gentex wire to the Add-A-Circuit line or you can use a vampire clip that is supplied in the Gentex kit. There's a convenient grounding bolt near the fusebox for the mirror ground.

The beauty of this install is that it can be cleanly removed and the stock mirror put back in with no splices or other warranty-denying issues.

Bonus is that unlike the no-longer-offered factory installed mirror the 50GENK-2A has an off switch if you temporarily don't need the dimming function.

I've posted this also in the ST interior mod forum as there was a similar discussion and the install is exactly the same the between the SE, SEL, Titanium and ST
08-27-2013 07:38 PM
mp223 My 2012 SEL didn't have the harness. I had to splice into an ACC wire, I believe I used the wire that powered the compass. There is also a constant ON you'll be able to use for map lights, garage door, etc.

No need to rip down the headliner, just remove the A-pillar trim, there is a bundle of wires that is easy to access and each has just barley enough slack to do a proper splice.
08-25-2013 11:18 PM
Loveit
Quote:
Originally Posted by garyd9 View Post
On my job2 2013 Ti, I couldn't find a harness/plug in the headliner for an auto-dimming mirror.

My Gentex autodimming mirror (with homelink) had three wires: ground, constant 12v (homelink) and ACC (ignition) 12v. I was able to wire all three into the moonroof MOTOR harness.

If you pull out the plastic upper console (that contains the sunglass holder, moonroof switch, etc), and look up into the roof (assuming you have a moonroof), you should see a gray connector that plugs in facing the passenger side of the car.

The BLACK wire (heavier gauge, thin white stripe) is ground.

The white wire (thinner gauge) is accessory power and turns off immediately with ignition.

In one corner of the connector, there's a heavier gauge orange wire (forget the stripe and I didn't get photos) that's constant power.

TEST ALL OF THIS BEFORE TAPPING ANYTHING!!!!!!

Get a cheap multimeter... you shouldn't be messing with wires without one. Learn how to check for 11-15 volts DC. Test everything you read on these websites. Don't tap wires unless you've seen for yourself what they do.

If you don't have a moonroof, It's possible you still have the harness and plug. Check and see... if you do, it's a great source for the mirror.
Great write up Garyd just did this today ,just a few notes my May 2012 SEL accessory power wire was white with brown stripe and to remove upper console open sunglass holder and on each side of button are holes you need to insert small screwdriver or something else in those holes and push straight back to release clips then it comes out.
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