Hardwiring a radar detector
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Thread: Hardwiring a radar detector

  1. #1
    LIFETIME CONTRIBUTOR umbertob's Avatar
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    Hardwiring a radar detector

    Since the original thread disappeared a while back from this forum but I saved the pictures, I thought I'd repost the instructions on how I hardwired a Valentine One on my 2006 RRS for future reference. This takes 10-15 minutes.

    First, grab the front edge of the overhead console with the tip of your fingers and pull down firmly, the console should come loose and open up without much effort:
    Hardwiring a radar detector-v1-rrsinst-0.jpg

    The arrows in the image below show the connections of the hardwiring kit included with the V1 (other radar detectors will likely be wired in similar fashion.) On the right, the red wire draws 12v power from a switched green/white lead in the harness for the overhead lights. The black ground wire is connected to a bolt above the overhead panel. The third arrow indicates the body of the hardwiring harness that powers the detector via RJ11 (modular phone) jack.
    Hardwiring a radar detector-v1-rrsinst-1.jpg

    Detail of the hot connection to the overhead lights harness. Make sure you pick the striped green/white wire only, the others are either not 12v or they are unswitched and your radar either won't turn on at all or will stay on all the time... The Valentine includes a handy self-tapping connector in the kit - the blue piece around the green/white wire - which eliminates the need for splicing or cutting and leaves no traces of tampering if you ever need to remove the radar (such as on a leased car): you simply slide the connector around the wire, squeeze it with a pair of pliers to score the insulation and tap into the 12v lead, and finally slide the male faston at the end of the red wire into the female faston on the blue connector.
    Hardwiring a radar detector-v1-rrsinst-2.jpg

    To ground the detector (the black wire), slightly loosen one of the bolts above the panel with a 13mm socket, slide the spade clamp at the end of the black wire between washer and overhead metal plate, and tighten the bolt:
    Hardwiring a radar detector-v1-rrsinst-3.jpg

    Here is an image of the hardwiring harness body where the radar detector plugs into. I attached it above the overhead console using the provided Velcro tape, there are plenty of nooks and crannies up there. The radar detector is wired to the Main Unit plug via modular phone jack. Note the unused "Accessory" plug, which in the V1 can be used for an optional, remote display mounted elsewhere in the car. As you can barely see in the picture, I bundled up the excess black and red wiring and inline fuse holder from the hardwiring harness with a zip tie, and placed the bundle above the headliner on the side of the overhead panel opening:
    Hardwiring a radar detector-v1-rrsinst-4.jpg

    I chose installation of the radar detector just to the left of the rear view mirror. The phone jack and cord easily slide between headliner and windshield, and the "tinted" part behind the rear view mirror makes the wire almost invisible:
    Hardwiring a radar detector-v1-rrsinst-5.jpg

    And here is the finished installation from the driver's perspective. After wiring everything up, test to make sure you get power to the detector. Don't forget you need to turn on the ignition AND radar detector first! If you get juice flowing, you are done. Carefully align the two plastic studs in the rear of the overhead console with the cutouts in the headliner, and push the front of the overhead panel up against the roof until it snaps back in place. With this type of installation, the detector will automatically turn on when you open the doors with the remote or start the car, and will turn off about 3-4 minutes after you remove the key from the ignition, or right away if you arm the alarm.
    Hardwiring a radar detector-v1-rrsinst-6.jpg
    Last edited by umbertob; December 23rd, 2011 at 10:20 AM. Reason: Edited layout after vBulletin upgrade

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  3. #2
    FRESHMAN ROVER
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    Re: Hardwiring a radar detector

    I just had mine wired today. Thanks for this post! I had it on my iphone while doing the install. It saved us al least 2 hours getting the wires figured out.

    Thanks!

  4. #3
    NEWBIE
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    Re: Hardwiring a radar detector

    Thanks dude ... brilliant ! Just did it in my new 2009 RRS ... worked perfectly. Will turn on and off with the Alarm Key Button when I open or close the car.

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  6. #4
    SOPHOMORE ROVER
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    Re: Hardwiring a radar detector

    Just one quick note: those blue connector thingies are a bit prone to failure. If the V1 stops working then the first place to check is that connection.

  7. #5
    FRESHMAN ROVER
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    Re: Hardwiring a radar detector

    Should it be the same for the 2010? Thanks
    2010 RRSC. Alaska White on Ivory/Ebony Alacantra.Grand Black Lacquer Wood!

  8. #6
    LIFETIME CONTRIBUTOR umbertob's Avatar
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    Re: Hardwiring a radar detector

    Quote Originally Posted by rogan
    Just one quick note: those blue connector thingies are a bit prone to failure. If the V1 stops working then the first place to check is that connection.
    True, I think that those provided with the V1 were designed to wrap around a slightly thicker gage wire than the one on our overhead console. If you get intermittent juice or no power at all to the detector, you can take out the U-shaped metal blade within the blue case of the connector and squeeze the edges with a pair of pliers to slightly close the gap for the wire, insuring a tighter connection.

  9. #7
    FRESHMAN ROVER
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    Re: Hardwiring a radar detector

    Nice write up, Umbertob.

    Curious if anyone has looked into installing the V1 in the rear centre headrest with a mirror display kind of like this:

    http://www.m5board.com/vbulletin/e39-m5 ... 39-m5.html

  10. #8
    FRESHMAN ROVER
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    Re: Hardwiring a radar detector

    a) yes , same wiring on the 2010. However I will share that I chose the wrong Green/white cable in my haste and had the V1 on/off switch opening the sunroof (Seriously ! )
    b) As for that BMW headrest/V1 setup. Just brilliant. I would never have the cajones to attack my vehicle so.

    Also worth a mention is this link to a guy who will change the Remote V1 Display Module to have a rear jack and therefore place it flush (alot of the Lotus guys do this)

    http://cgi.ebay.com/Custom-THIN-Valenti ... 35a4b6ccf8
    2010 RRS HSE Lux -Santorini Black

  11. #9
    FRESHMAN ROVER
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    Re: Hardwiring a radar detector

    looks pretty slick...

    would love to be able to somehow get a window in the headrest that would look very unnoticeable or factory ish to keep the front and laser working in the v1

  12. #10
    FRESHMAN ROVER b_arra's Avatar
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    Re: Hardwiring a radar detector

    Just got a V1 from my wife for Christmas! Will be hardwiring it tomorrow...
    2006 Range Rover Sport Supercharged | Black on Black | Stormer Wheels | "Clear" Side Markers and Tail Lights | Color Coded Tailgate Trim | Partial De-badge | 2011-2012 Maps | Valentine One "hardwired" | K&N Air Filter | 100,000+ miles

  13. #11
    FRESHMAN ROVER
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    Re: Hardwiring a radar detector

    Quote Originally Posted by b_arra
    Just got a V1 from my wife for Christmas! Will be hardwiring it tomorrow...
    Me, too! Yeehaa
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  14. #12
    SOPHOMORE ROVER
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    Re: Hardwiring a radar detector

    I have the heated windshield and auto-wipers on my 2010 RRS HSE.

    Do these options affect the V1 in any way (e.g., reduced range for radar, or false alerts from the laser)?

    Thanks,

  15. #13
    LIFETIME CONTRIBUTOR umbertob's Avatar
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    Re: Hardwiring a radar detector

    I have the heated windshield and have noted no adverse effects on the sensitivity of the detector. I rarely do get false laser alerts, but I think they are mostly due to light reflections off the hood (as well as the occasional Infiniti with active laser cruise control passing by... ) rather than the proximity to auto wipers / headlights sensors. I know that the touchscreen display can trigger laser alerts if you keep the detector close enough to it, but if you position it above the rear view mirror that should not be an issue.

  16. #14
    FRESHMAN ROVER scuderiaRR's Avatar
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    Re: Hardwiring a radar detector

    I have been using the V1 for about 15k miles. I followed Umberto's directions and didn't have any trouble at all.

    I think the sensitivity is pretty good. I do get occasional false laser alerts that usually come from Infiniti systems.

    The bigges problem I have is that Radar guns are usually off and the cops around here just seem to watch for people driving faster than others. I leave my detector on the little
    L mode. I'm curious to know what others are using. I have mine mounted in the same place as Umberto. Anyone have an opinion on optimal positioning?
    Scuderia RR
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  17. #15
    LIFETIME CONTRIBUTOR umbertob's Avatar
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    Re: Hardwiring a radar detector

    I have mine in Advanced Logic (big L) mode, and also used the "unadvertised" V1 programming to permanently disable X-band detection. No self-respecting local police depts, CHP officers and photo traps around here use X-band radar guns anymore, they are all on K or Ka (or laser) bands, so muting X-band eliminated 90% of false alerts from supermarket automatic doors, garage openers and similar junk for me... YMMV, depending on what your local traffic enforcement agencies use.

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