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Old Apr 12, 2020 | 12:34 PM
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Default GPS antenna

Was wondering if anyone has an old GPS antenna laying around.I am wanting to make a base for my XM antenna and mount it where the GPS is mounted.I am only needing a pattern of the factory base so I can make one.I don't want to have to buy one at $50 just to get the dimensions.Thanks!
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Old Apr 12, 2020 | 12:54 PM
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Originally Posted by jamieo
Was wondering if anyone has an old GPS antenna laying around.I am wanting to make a base for my XM antenna and mount it where the GPS is mounted.I am only needing a pattern of the factory base so I can make one.I don't want to have to buy one at $50 just to get the dimensions.Thanks!
Did your car originally have the stock navigation system with XM in it ? If so, you can reuse the stock GPS and XM antennas with an aftermarket system, here's some instructions telling you how. https://www.corvetteforum.com/forums...-xm-tuner.html
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Old Apr 12, 2020 | 01:01 PM
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I have the XM but no navigation.I used your guidance to use my factory XM antenna but my reception seems to cut in and out a lot.I was just going to try and mount an XM antenna on the factory GPS base to see if it would help.Not much else to do with the current virus situation.
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Old Apr 12, 2020 | 01:07 PM
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Originally Posted by jamieo
I have the XM but no navigation.I used your guidance to use my factory XM antenna but my reception seems to cut in and out a lot.I was just going to try and mount an XM antenna on the factory GPS base to see if it would help.Not much else to do with the current virus situation.
Sorry to hear that, it's worked well for myself and others. Usually most people will put the aftermarket XM antenna on top of the HVAC ducts under the dash behind the center console which is where I had mine before I did the stock antenna mod, and it seemed to work fine, but I think I get slightly better reception now after doing the mod.
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Old Apr 12, 2020 | 01:15 PM
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Not your fault.Your writeup was great but I may have created my own issues.I noticed while installing the cables that one of the connectors was loose on my extension cable.I could move it and lose XM signal on my receiver.I cut off the plugs and soldered the wires together and didn't think this would be an issue.Maybe it was a problem and I was the creator.Definitly NOT the first screwup I have made!
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Old Apr 12, 2020 | 01:18 PM
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I may just try a new set of adapter cables and see what happens.
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Old Apr 12, 2020 | 01:18 PM
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Here's a photo of the area I was referring to, you can see in this photo they have both the aftermarket XM and GPS antennas mounted in this location.



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Old Apr 12, 2020 | 01:22 PM
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Originally Posted by jamieo
Not your fault.Your writeup was great but I may have created my own issues.I noticed while installing the cables that one of the connectors was loose on my extension cable.I could move it and lose XM signal on my receiver.I cut off the plugs and soldered the wires together and didn't think this would be an issue.Maybe it was a problem and I was the creator.Definitly NOT the first screwup I have made!
Oh yeah, that could defiantly be the problem, these cables don't respond well to any cutting and soldering, I agree with trying a new cable like you suggested, and I'm certain this will address the issue.
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Old Apr 12, 2020 | 02:00 PM
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I am going to order them now.I will see if that resolves the problem.I appreciate the help and I will let you know the outcome!
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Old Apr 12, 2020 | 02:06 PM
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Originally Posted by jamieo
I am going to order them now.I will see if that resolves the problem.I appreciate the help and I will let you know the outcome!
Sounds good, I'll be looking forward to hear about the outcome. Just out of curiosity, do you have a coupe or convertible ?

Last edited by madsonp; Apr 12, 2020 at 02:13 PM.
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Old Apr 12, 2020 | 02:13 PM
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The reason I ask is I may have an extra one I could sell you, which would save you from having to order one from China.
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Old Apr 12, 2020 | 02:26 PM
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I have a convertible.I cut the plug off my splitter and extension cable so I will have to replace both of them
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Old Apr 12, 2020 | 02:34 PM
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Originally Posted by jamieo
I have a convertible.I cut the plug off my splitter and extension cable so I will have to replace both of them
Yeah, I might have an extension cable, but I'm not sure about an extra splitter.
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Old Apr 12, 2020 | 02:35 PM
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If you have either one of them that would be awesome!I would be more than happy to buy them if you aren't needing them!
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Old Apr 12, 2020 | 02:42 PM
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I found the splitter with delivery by Friday.The same as the last one I orderd only it is in California.
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Old Apr 12, 2020 | 02:52 PM
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Let me go out and take a look in my shop and see what I have.
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Old Apr 12, 2020 | 04:55 PM
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I do have a 6' extension cable and a splitter, the only thing is getting them to you, something I wasn't thinking about earlier is that I'm considered one of those high risk individuals when it comes to this virus thing which means I have to be careful with limiting any potential for exposure as much as possible. I guess I was just so used to running to the post office like I used to in the past before all of this virus stuff came up.



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Old Apr 12, 2020 | 05:03 PM
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Also what year is your car ? I'm assuming it's one that uses the newer yellow and green connectors for the stock antenna connections correct ? And you're using this tuner also correct ? https://www.crutchfield.com/S-i3tbCu...0V1-Tuner.html

Last edited by madsonp; Apr 12, 2020 at 05:08 PM.
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Old Apr 12, 2020 | 06:49 PM
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My car is a 2008 and I have the yellow/green connectors.That is also the tuner I am using.I was able to order the splitter but I am not having much luck with the cable.I understand the exposure thing,This virus has everyone at risk and has changed a lot of the things we have always taken for granted.I appreciate all the help you have offered

Last edited by jamieo; Apr 12, 2020 at 06:49 PM.
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Old Apr 12, 2020 | 07:09 PM
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Originally Posted by jamieo
My car is a 2008 and I have the yellow/green connectors.That is also the tuner I am using.I was able to order the splitter but I am not having much luck with the cable.I understand the exposure thing,This virus has everyone at risk and has changed a lot of the things we have always taken for granted.I appreciate all the help you have offered
Yeah, regrettably the only place I was able to find the extension cable was out of China. https://www.ebay.com/itm/Fakra-K-to-...sAAOSwkdFak3N4
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