Homelink mirror install on 2017 Volt LT w/hardwired radar detector
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Thread: Homelink mirror install on 2017 Volt LT w/hardwired radar detector

  1. #1
    Join Date
    Feb 2012
    Location
    Columbus, OH
    Posts
    14

    Default Homelink mirror install on 2017 Volt LT w/hardwired radar detector

    I love my 2017 Volt LT...One of the best cars I have ever owned! However the base LT model does not have an auto dimming mirror or homelink capability. I have seen some other posts about installing an aftermarket Gentex mirror with both of those capabilities on a Premier or LTZ, but not on a LT. I did not want to tap into the overhead console, plus I wanted to add a power tap for my radar detector, so here is a tutorial on how i did the install by adding fuse taps to the fuse box. I hope it helps someone out there who wants to do the same thing.

    Step 1: Buy an aftermarket mirror from Ebay...I chose a Gentex 536 mirror with Homelink and Auto Dimming. I found one on ebay with a wiring harness included for 79.00

    Step 2: Supplies. You will need to buy 2 ATR (micro2) fuse taps and a pack of 10 amp ATR fuses. I bought them at Autozone.



    You will need to put two 10amp fuses in each of the ATR fuse taps. You will need to do this since you will be populating currently empty fuse positions in the fuse panel.



    If you are going to add a hardwired Radar detector tap, you will need to order a similar power cord as this...I bought this one on amazon for 12.99 for my Uniden radar detector (I believe it will work for Escort too.)



    You will need a flashlight, wire stripper, pliers, screwdriver with a #20 Torx bit, and a plastic trim tool.

    Step 3: Remove the factory mirror by removing the plastic cover pieces. The large cover very easily pops off with very little pressure..I used a plastic trim tool to pop it off...fingers should do fine as well.



    NOTE: I did not tap into the Overhead console/OnStar wiring harness.





    You will need to snap out the inner plastic piece to remove it from the mirror.

    Once you have the covers off, you can remove the factory mirror with a #20 Torx bit



    Step 4: Once the factory mirror is removed, you can begin the install of the new Homelink mirror.

    Attach the wiring harness plug to the mirror (I bought a mirror that included the wiring harness and plug)

    If you are going to add the radar detector power, this is where you will want to insert the two wire prongs into the plug. You will want to insert the black wire prong into the black wire connection on the plug. The red wire will need to be inserted where the yellow (ACC) wire connection is on the plug. It is important to install the red wire to the yellow connection on the plug so it will turn the detector off when the car is off...







    Attach the Homelink mirror to the mount and then Connect the plug to the mirror.



    Step 5: Run the wire from the mirror across the headliner, down the A-Pillar and across into the fuse panel below the steering wheel. It should be very easy to tuck the wire into the headliner and along the trim in the door opening. I did use a trim tool to help make it a little easier.

















    Step 6: Connect wires and plug in the fuse taps

    First you will need to find a spot for the ground wire...I was able to locate a metal brace inside the fuse panel that already had a hole drilled in it...I just used a small screw and nut and attached the ground wire.





    Next, attach the red (12V constant) and yellow (Acc) wires to the fuse taps.

    Here are the open locations in the fuse box to insert each tap: 12V constant = Location F6, 12V ACC = Location F37

    12V Constant



    12V ACC





    Step 7: Test your connections....If good, close up the fuse panel and snap the plastic covers back above the mirror.







    Step 8: If you are attaching your radar detector with the hardwired connection make sure the plug is routed the way you want out the back or side of the cover...then you can attach your radar detector with the mount of your choice...I have not decided on a mount yet, so for now I am just using the suction cup mount it came with...




    Enjoy your install!!





    I hope this tutorial will help in installing your own Homelink mirror..especially if you have a Volt LT like me!

    Please feel free to PM me or ask any questions here...I will be glad to help any way I can.

    Thanks,

    -M
    In the Garage:

    2017 Volt LT
    2012 Prius V
    2015 Corvette Stingray Z51
    1996 Corvette Coupe

  2. #2
    Join Date
    Jul 2008
    Posts
    1,784

    Default

    Wow, that was detailed. Many thanks!!

  3. #3
    Join Date
    Dec 2016
    Location
    Bay Area
    Posts
    5

    Default

    Nice. It's also funny as I did this very nearly identically about a week ago, right down to the add a circuit kit and grounding using the same hole in the metal brace.

    Only material difference for me was that I also installed a radar mount (attached to the post behind the mirror) to hold the radar detector below the mirror (I've never had long-term success with suction cup mounting anything to a windshield).

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  6. #4
    Join Date
    Nov 2015
    Location
    USA
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    Default

    Well done - great write up. This is just what a forum like this is for!
    Joe

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  7. #5
    Join Date
    Nov 2014
    Location
    Canton,MA 02021
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    Default

    very nice,,thanks for the write up.

  8. #6
    Join Date
    Dec 2012
    Location
    Welland, Ontario, Canada
    Posts
    956

    Default

    One of the best write-ups EVER! Nicely done.
    2014 Summit White Volt with black leather and dark accents.
    Loaded with all options including navigation.

  9. #7
    Join Date
    Jul 2013
    Location
    North East USA
    Posts
    999

    Default

    Very nice writeup. I have a Gen 1 with Homelink but your post inspired me to start working on hardwiring my dashcam.

  10. #8
    Join Date
    Sep 2016
    Location
    Chicago (W Suburbs)
    Posts
    412

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    This looks very tempting; only question is does it void any warranties? I'm comfortable working with electronics (hobbyist electrical engineer) but I don't want to void any warranties in case anything else breaks...especially with the record my car has so far.
    2016 Kinetic Blue LT

    Unscheduled service visits: 4 Hidden Content
    Longest service visit: 2.5 weeks

  11. #9
    Join Date
    Jun 2016
    Location
    Washington
    Posts
    524

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    managerman, that was brilliantly documented! I ran the cables for my dash cams along the weather stripping just like you did, but had trouble at the seam on the A pillar and the seam next to the hood release. I chickened out fearing I'd brake some plastic trim or something with my bare hands.

    I'm going to try again based on your success.

    Question about that center plate that you removed in pic #6: did you just pull the plate out perpendicular to the rest of the shroud or did you slide the plate out once the shroud was removed from the windshield mounts using your plastic trim tools?
    Last edited by quirkySquirt; 01-01-2017 at 09:00 PM. Reason: Added question about plate removal.
    2017 Kinetic Blue Volt, VIN #11955, built June 2016.

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  13. #10
    Join Date
    Feb 2012
    Location
    Columbus, OH
    Posts
    14

    Default

    Quote Originally Posted by Arcanox View Post
    This looks very tempting; only question is does it void any warranties? I'm comfortable working with electronics (hobbyist electrical engineer) but I don't want to void any warranties in case anything else breaks...especially with the record my car has so far.
    I don't believe this procedure will void any warranties. However...that is one of the reasons I did not want to tap into the overhead console wiring harness...one screw up there and the fix would not be covered under warranty...

    -M

    Quote Originally Posted by quirkySquirt View Post
    managerman, that was brilliantly documented! I ran the cables for my dash cams along the weather stripping just like you did, but had trouble at the seam on the A pillar and the seam next to the hood release. I chickened out fearing I'd brake some plastic trim or something with my bare hands.

    I'm going to try again based on your success.

    Question about that center plate that you removed in pic #6: did you just pull the plate out perpendicular to the rest of the shroud or did you slide the plate out once the shroud was removed from the windshield mounts using your plastic trim tools?
    I had very little trouble with the seam near the hood release...using a trim tool...the wires just popped right in!

    I popped the center piece out after the shroud was released...Hope that helps.

    -M
    In the Garage:

    2017 Volt LT
    2012 Prius V
    2015 Corvette Stingray Z51
    1996 Corvette Coupe

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