Rear view mirror wiring
#1
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Join Date: Aug 2016
Location: KY
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Rear view mirror wiring
Looking to install a radar detector by using the power from the mirror. Can anyone tell me which wires are the ignition power and ground?
#2
Driver School Candidate
I have a 2013 and wish I took a picture when I tapped off power from the mirror for my dash cam. The colors were different from the IS and NX vehicles. I believe it was brown and another color, but your best bet is to use a multimeter.
#3
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Why not to tap it to rain sensor? located right behind rear view mirror... rear view mirror has constant power, not a good idea though. I did the same coming from Acura but Lexus has garage door buttons located right on mirror, so your radar_detector won't shut down when you leave your car.
Last edited by shurik74; 08-08-16 at 10:37 PM.
#4
#5
I tapped the rear view first.. But the connection wasn't as tight as I expected. It'd lose connection every now and then. I ended up hard wiring to the fuse box on the passenger side. I tapped the heated steering wheel. There is a diy I followed if you search.
#6
May I ask where did you purchase the wiring from? ALso, what radar detector are you using?
Thanks
#7
here's the DIY I followed
https://www.clublexus.com/forums/gs-...neone-4gs.html
Took me more time to adjust my blendmount than to run the wiring.
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