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  1. #1
    Registered Member One Ring
    Join Date
    May 07 2008
    AZ Member #
    28521
    Location
    Fort Lauderdale

    Simplified Radar Hardwire

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    hey guys,
    thought Id share my hardwire setup with you.
    no running things down to the fusebox or other complicated mods

    1. remove the center console (detailed elsewhere). use torx screwdriver
    2. the sunroof motor is visible (big silver colored box)
    3. detach the blue colored relay located on the right side of the sunroof motor
    4. there are 5 wires. two of them are larger than the others. there is a large red wire and a large brown wire.
    5. you may have to remove some of the cloth tape, i used a razor blade.
    5. tap your (+) wire from the radar to the red. i used a T-tap
    6. tap your (-) wire from the radar to the brown. T-tap again
    7. alternately, strip a little of the (-) radar wire and ground it to one of the empty hole located on the inside roof. i stole one of the screws holding up the console for this.
    8. replace the relay. test. then tuck everything up inside and close.
    9. thats it.

    total time <10 minutes.
    hope this helps
    ill try to get some pics up

  2. #2
    Senior Member Two Rings PolishPete's Avatar
    Join Date
    May 12 2008
    AZ Member #
    28676
    Location
    IL

    Re: Simplified Radar Hardwire

    Pics!!

  3. #3
    Registered Member Two Rings Ski DraGoN's Avatar
    Join Date
    Sep 24 2007
    AZ Member #
    21322
    Location
    fl

    Re: Simplified Radar Hardwire

    Quote Originally Posted by PolishPete View Post
    Pics!!
    +1

  4. #4
    Veteran Member Four Rings enigma1406's Avatar
    Join Date
    Sep 17 2006
    AZ Member #
    11586
    My Garage
    2013 S8 | 2006 S4 Widebody | 2014 Q7
    Location
    Houston, TX

    Re: Simplified Radar Hardwire

    I don't see how running wire to the fuse box is complicated. It takes no time at all and all you need is a fuse tap. No wire splicing/cutting/tapping.

  5. #5
    Veteran Member Three Rings
    Join Date
    Mar 03 2008
    AZ Member #
    26010
    My Garage
    2005.5 B7 A4 2.0TQ 6MT
    Location
    Washington

    Re: Simplified Radar Hardwire

    Props to you for figuring out another way to do it. Options are always great!

    Quote Originally Posted by enigma1406 View Post
    I don't see how running wire to the fuse box is complicated. It takes no time at all and all you need is a fuse tap. No wire splicing/cutting/tapping.
    However, I do agree with the above statement. I personally don't like T-taps either...as I have experienced them failing and causing a lot more problems than they were worth. I know only solder all my connections, no more taps. Just a personal thing though.

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