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JK Electrical, Lighting & Sound SystemsBulletin board forum regarding topics such as stereo head units, CD players, MP3 players, speaker systems, amplifiers, hardmounted GPS devices, computers, headlight upgrades, fog lights, off-road lights, general wiring and anti-theft devices.
Where's it go?
I'm replacing the top dash thing...bought aftermarket with a storage tray.
I had a Tuffy radio lock cover I removed.
This was screwd to the top of the Tuffy.
I cut the wire to remove the Tuffy.
My XM Sirus radio works great...but my nav is about 100 miles off.
The wire I cut is apparently a small coax type wire.
Is this an aftermarket XM antenna?
Thanks
Now that you say that, it does look more like the nav unit antenna -
I don't have NAV so just googling around myself. It seems people mount these in various locations and that a lot of different places could work. I see some folks saying the factory GPS uses the same antenna as Sirius XM which is mounted on top of the middle rollbar crossmember (above the rear passenger side speaker like my picture). Maybe that is something a previous owner added and it wasn't originally in the build.
You know, I ran into this during my build - my truck didn’t come with NAV - but it did have the Sirius XM radio service (for the freebie year).
I googled the bejeebers (excuse my French) on this antenna and found an equal amount of sites saying it was duel use (NAV & XM) and / or just the XM antenna.
The local dealership said it was my truck’s XM antenna, but in the same breath they could not find any mention or diagram of a truck with both XM & NAV antennas!
On the other hand, I spoke to someone at Infotainment.com (a pretty large outfit who rebuilds /sells this stuff for Jeeps) and they said it was a duel purpose antenna - and that if I had the XM antenna in my truck, I could upgrade to the NAV unit - no worries.
Personally, I think Jeep started out using two antennas, and after a certain year changed to a multi purpose unit that would do both XM & NAV. My two cents ...
Lol - I have no idea why I went through all of this ‘fact finding’ misery, as my truck is not a DD and I use several other tools to track my off road wanderings - but now I see a post on it, I would love to get to the bottom of it !
Neville
Last edited by Creepy Neville; Aug 4, 2021 at 10:07 AM.
When I put my CB just above that antenna my compass had to be recalibrated due to the ferrous metal interference cause it screwed up my NAV slightly. Good now.
What is this? What's it do?
