DonJVegas Posted November 27, 2020 Share Posted November 27, 2020 I've a 2020 Aviator Black Label, with what I've always sworn is an auto-dimming mirror. I'm looking to tap its wiring for a mirror-mounted radar detector. However, there's no plug on the dang thing. So either I'm wrong (and searches for OEM parts all turn up a "w/o electrochroamatic" model, so this is super-possible), or the wiring is somehow routed through the mounting arm. I'm a little reluctant to pop the mirror off just to check, so wanted to see if anyone could confirm. The mirror does have what looks like a sensor of some kind, but... I mean, usually the wiring on these is pretty hard to miss. Quote Link to comment Share on other sites More sharing options...
rampagex7 Posted November 28, 2020 Share Posted November 28, 2020 2 hours ago, DonJVegas said: I've a 2020 Aviator Black Label, with what I've always sworn is an auto-dimming mirror. I'm looking to tap its wiring for a mirror-mounted radar detector. However, there's no plug on the dang thing. So either I'm wrong (and searches for OEM parts all turn up a "w/o electrochroamatic" model, so this is super-possible), or the wiring is somehow routed through the mounting arm. I'm a little reluctant to pop the mirror off just to check, so wanted to see if anyone could confirm. The mirror does have what looks like a sensor of some kind, but... I mean, usually the wiring on these is pretty hard to miss. My Aviator GT has the frameless auto dimming mirror and it definitely works well and turns on when you get headlight glare from behind so I will agree that it is electronically powered. It also triggers the driver's side exterior mirror to dim at the same time. I've never looked behind mine to see if there's a wire harness but I'm pretty sure the wiring is all built in or routed through the mounting bracket because that whole area behind the mirror also has the forward facing camera on it you can see it from outside the windshield so there would be wiring behind there. You may need to pull the headliner or remove some trim pieces to get at the wiring. 1 Quote Link to comment Share on other sites More sharing options...
ColinAviator Posted November 28, 2020 Share Posted November 28, 2020 I'd been meaning to upload this for a while. I wanted to mount a dash camera on my GT so I probed the wires in the mirror harness to find out which were hot. Take a look at the picture to make sure you're tapping the right ones, but black is negative and white is positive. It's very easy to get access to all this, just pry around the edge of the panel that goes from the headliner to the mirror and it pops right off. I've been running my dash cam with this tap for a few months with no issues. 2 Quote Link to comment Share on other sites More sharing options...
DonJVegas Posted November 28, 2020 Author Share Posted November 28, 2020 Oh, awesome - thank you so much! I'm gonna run down and see how hard it'll be to pop that cover off! Quote Link to comment Share on other sites More sharing options...
ColinAviator Posted November 28, 2020 Share Posted November 28, 2020 No problem. I had also taken a picture after I popped the cover off, which might help with where to pry. Also, I ended up running the USB tap I bought out the bottom of the cover where the mirror is, there's plenty of room for a cord there. 1 Quote Link to comment Share on other sites More sharing options...
rampagex7 Posted December 5, 2020 Share Posted December 5, 2020 Thanks for posting the pics @ColinAviator I was thinking of maybe installing a dashcam on my Aviator as well so now I know there's easy access to wiring under that panel. Quote Link to comment Share on other sites More sharing options...
ncnmra Posted December 8, 2020 Share Posted December 8, 2020 Just came here for the exact same question! Is the white wire switched with the ignition? My dashcam has USB power, so I'm assuming I need a 12V to 5V adapter? Quote Link to comment Share on other sites More sharing options...
ColinAviator Posted December 8, 2020 Share Posted December 8, 2020 Yes, it's switched. My dashcam uses a USB mini connection so I used this cable to convert the voltage and get the right plug: https://www.amazon.com/gp/product/B07R7JGCL1 The thick part fit inside the cover so I just have the end sticking out. Quote Link to comment Share on other sites More sharing options...
ncnmra Posted December 8, 2020 Share Posted December 8, 2020 Super! I think I might dismantle one of those 12V-to-5V USB cigarette lighter adapters, they are a dime a dozen. Quote Link to comment Share on other sites More sharing options...
aviator22 Posted April 16, 2022 Share Posted April 16, 2022 My BlackVue dashcam has an ignition, an accessory, and a ground wire. I guess I will use the white wire shown here under the rear view mirror for the ignition wire, and run the ground and accessory all the way down the A pillar to the fuse box for the accessory and find a ground down that way also. Unless there is a better way. Thank you Quote Link to comment Share on other sites More sharing options...
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