I bought the car with the navigation issue, the previous owner said it
once worked, I desperately want to fix the problem. The gray plug from
the harness was taped tightly and not used. The plug on the navi unit itself sits vacant without a plug. With the original navi unit plugged in
under the seat, other screen functions such as the menu worked and the
back up camera. With the 2005 unit, it just asked for the code, the touch screen would not work at all, nor the back up camera. The plugs mentioned above, are they necessary for navi antenna signal
The plug wrapped in blue tape is a test plug and you don't need to worry about it. the gps antenna is the small plug in the back of the unit .You need that plugged in. The best thing to do is to just have the original unit fixed. These are very delicate and most of the used ones are bad .your best bet is to have the original unit repaired. Here is the website of a place that can fix it for you http://www.hitechserv.com/electronics-repair/oem-navigation-dvd-cd-changer-repair/65
And here is the place the dealers send them to .
the first place is a little cheaper.
If there is anything else I can help you with let me know. .
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I understand the test plug, so I leave that taped to the harness.
Can you tell me how many pins and/or the color of the antenna receptacle?
On the unit the gray receptacle has one or two pins in it, however, I dont see that it has a plug for it. Is that the antenna or something else. The next smallest is black 8 pin. In other words, the only receptacle that doesnt have a plug is the upper left gray one as mentioned above.
The antenna is in the upper left of the picture . Here is a picture of the back of the unit . The antenna connector might be under the carpet or seat track. it is small and gets under things easily.
so, my very last thing, how can I can the navigational code with the serial number or vin at this time of night
Serial Number : DKB22023176
VIN Number : 2HNYD18814H501241
If you wouldn't mind either emailing me the results at XXXXX@XXXXXX.XXX or text me the results at XXX-XXX-XXXX I would greatly appreciate it. Thank you so much for all of your help, you have been a tremendous help. Thanks, Mike