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Add Factory Nav to a 2011 LS


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#1 OFFLINE   scujr

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Posted 22 July 2011 - 06:57 PM

While I was doing research on adding a navagation unit to my 2011 Travers LS, I came accross alot of threads on this forum. So I decided to share my results from doing a factory navigation unit upgrade. I found that the GM radio that worked best in my traverse was GM part number 20792736. I chose the 20792736 for my install for due to it supports the rear dvd systems (just incase I decide to add that in the future). I also had to add the GM facotry GPS antenna part number 15201798. The GM nav disc that was needed for this install was 20945286. The radio came brand new and pre-programmed from schram auto parts (check ebay) and the complete install took me less than 45 minutes. As far as cost goes it will from from $600 - $850 depending how how you get your bundle. This unit is an orange lite unit and so far the door chimes, onstar voice, music, and nav voice all sound like they are playing at the proper volumes. I have lost the sound of the turn signals for some reason but that is not a huge deal to me.

Attached File  2011-08-17_17-53-17_919.jpg   47.02KB   178 downloads

I used a plastic knife to pop out the dash trim piece

Attached File  2011-08-17_17-54-17_605.jpg   48.01KB   152 downloads

The trim piece removed

Attached File  2011-08-17_17-54-39_617.jpg   59.97KB   161 downloads

Pop out the trim around the radio by pulling with your hands

Attached File  2011-08-17_17-56-52_3.jpg   130.77KB   189 downloads

The trim piece removed, next remove four bolts.

Attached File  2011-08-17_17-59-29_574.jpg   60.51KB   218 downloads

The wire connections on the backside of the unit

Attached File  2011-08-17_20-04-05_425.jpg   27.97KB   191 downloads

Unit fully installed



Please note I did not take pictures of the GPS antenna installation , but most of that is the same from outlooks, arcadia, and traverse. However I was able to install mine without removing the handle on the passenger side.

Good Luck






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#2 OFFLINE   Moorepheus

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Posted 24 August 2011 - 08:47 AM

While I was doing research on adding a navagation unit to my 2011 Travers LS, I came accross alot of threads on this forum. So I decided to share my results from doing a factory navigation unit upgrade. I found that the GM radio that worked best in my traverse was GM part number 20792736. I chose the 20792736 for my install for due to it supports the rear dvd systems (just incase I decide to add that in the future). I also had to add the GM facotry GPS antenna part number 15201798. The GM nav disc that was needed for this install was 20945286. The radio came brand new and pre-programmed from schram auto parts (check ebay) and the complete install took me less than 45 minutes. As far as cost goes it will from from $600 - $850 depending how how you get your bundle. This unit is an orange lite unit and so far the door chimes, onstar voice, music, and nav voice all sound like they are playing at the proper volumes. I have lost the sound of the turn signals for some reason but that is not a huge deal to me.

Attached File  2011-08-17_17-53-17_919.jpg   47.02KB   178 downloads

I used a plastic knife to pop out the dash trim piece

Attached File  2011-08-17_17-54-17_605.jpg   48.01KB   152 downloads

The trim piece removed

Attached File  2011-08-17_17-54-39_617.jpg   59.97KB   161 downloads

Pop out the trim around the radio by pulling with your hands

Attached File  2011-08-17_17-56-52_3.jpg   130.77KB   189 downloads

The trim piece removed, next remove four bolts.

Attached File  2011-08-17_17-59-29_574.jpg   60.51KB   218 downloads

The wire connections on the backside of the unit

Attached File  2011-08-17_20-04-05_425.jpg   27.97KB   191 downloads

Unit fully installed



Please note I did not take pictures of the GPS antenna installation , but most of that is the same from outlooks, arcadia, and traverse. However I was able to install mine without removing the handle on the passenger side.

Good Luck


Well, this kinda answers my question, if the GPS Head unit will work in the 2011 Traverse 1LT. My guess is I will need the GPS Antenna also. Thanks for the steps of installing it. I just bought my 2011 1LT 2 days ago.

You said you got your's on ebay? I can not find any reference to "schram" on ebay

#3 OFFLINE   scujr

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Posted 25 August 2011 - 03:07 PM

Well, this kinda answers my question, if the GPS Head unit will work in the 2011 Traverse 1LT. My guess is I will need the GPS Antenna also. Thanks for the steps of installing it. I just bought my 2011 1LT 2 days ago.

You said you got your's on ebay? I can not find any reference to "schram" on ebay





Parts Needed

20792736 -- Nav Unit
15201798 -- GPS antenna
20945286 -- Nav Disc

if you search on ebay for part number 20792736 schram auto parts listings will come up

or you can do what I did and contact Blake at Schram directly

Schram Auto Parts

Blake Garner

Internet Sales

bgarner@schramauto.com

(800) 462-9292 x 2167


He was very helpful and great to work with

#4 OFFLINE   Moorepheus

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Posted 27 August 2011 - 09:45 AM

Parts Needed

20792736 -- Nav Unit
15201798 -- GPS antenna
20945286 -- Nav Disc

if you search on ebay for part number 20792736 schram auto parts listings will come up

or you can do what I did and contact Blake at Schram directly

Schram Auto Parts

Blake Garner

Internet Sales

bgarner@schramauto.com

(800) 462-9292 x 2167


He was very helpful and great to work with


Thank you for the information.

#5 OFFLINE   doldiboldi

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Posted 18 November 2011 - 10:58 PM

No need or problem only having the base 6 speakers? No problems with onstage or bluetooth?

Thanks for the great info!

#6 OFFLINE   imanrojo

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Posted 23 November 2011 - 02:14 PM

Hello I live in Peru, I bought the Chevrolet Traverse LT, wanted to adapt the navigation equipment (GPS OEM Auto Parts 20792736).

I wonder if the navigation disc includes maps of my country (Perú - South America), and if this change could also use the bluetooth speaker system that does not work with equipment that originally comes assembled in this version of Chevrolet Traverse LT.

Thank you for your help.

Regards.
Martín

#7 OFFLINE   scujr

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Posted 19 December 2011 - 06:40 PM

I am in process of adding a 15" flip down dvd, as well as the third row of speakers, and an amp. I am going to connect the 15" flip down to the oem nav unit. I will takes pictures and post on the forum ... wish me luck please !!!!

#8 OFFLINE   scujr

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Posted 20 December 2011 - 05:54 AM

ITEM NUMBER DESCRIPTION SUPPLIER COST
T1591DVFD-GRAY TVIEW 15" GREY FLIP DOWN MONITOR DVD PLAYER+2 HEADSETS EBAY $244.95
PAC GMRVD GM REAR ENTERTAINMENT SYSTEM RETENTION RES EBAY $29.95
PAC AOEMGM1416 ADD AMPLIFIER INTEGRATION INTERFACE 4 GM EBAY $32.35
KFC-1062S Kenwood KFC-1062S 4" 3-way Car Audio Speakers EBAY $34.98
EPAK8R 2) BULLZ AUDIO EPAK8R 8 Gauge Amplifier/Amp Wiring Kit EBAY $24.95
2PCS - 25FT RCA 25 FT GOLD AUDIO AV EXTENSION CABLE 3 RCA TO 3 RCA NEW EBAY $10.78
KAC-8405 Kenwood Kac-8405 720-Watt 4/3/2-Channel Amplifier with Variable LPF/HPF AMAZON $122.98

OPTIONAL
ITEM NUMBER DESCRIPTION SUPPLIER COST
TOOLS 9 PC INSTALLER TRIM, DASH, DOOR PANEL REMOVAL KIT - CHEVY EBAY $17.99



listed above is the bill on materials for the flip down dvd and amp project

#9 OFFLINE   scujr

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Posted 27 December 2011 - 08:16 AM

To start this project I first disassembled the dash to access the Navigation Radio.
Next I pulled apart the lower interior trim parts from the passenger side front to the passenger side second row.
Followed by taking out the interior dome light, above the second row of seats.
Then I removed the battery access panel and all the plastic covers that are over the second row seats tracks.
I then fished two wires from the battery up to the head liner to power the dvd system (T1591DVFD-GRAY).
If your NAV unit is RSE, fish two sets of RCA from the location of the flip down dvd to the nav unit and hook up using PAC GMRVD.
Next I slip a piece of wood in between the headliner and the roof and screwed it to the cross members.
Then take the flip down dvd mounting bracket and screw it the piece of wood from the outside of the headliner.
Hook up all cables to the flip down dvd and screw to mounting unit ( I recommend more than one person for this step if you are mounting a 15”).
To start the amp install I cut a hole in the floorboard carpet under the second row two person seat. Just larger enough for a Kenwood KAC-8405 amp.
I then hooked up the PAC AOEMGM1416 to the Nav unit to gain the RCA output for the amp.
Next pull the remote wire, 4 sets of speaker cables, and two sets of RCA plugs from the radio to the amp. (I pulled mine along the passenger door and laced the cables around the tracks of the second row of seats so that they would be concealed by the plastic covers)
On the PAC side of the AOEMGM1416 you will have to cut the wires on the adapter to splice in your speaker cables coming from your amp. Due to this is a multi-purpose adapter which also works on cars with the factory amp already installed. I do recommend soldering the connections I found after you splice in there is not a lot of wire left to work with on the adapter.
Hook up the RCA cables and remote wire to the PAC AOEMGM1416.
Run wire to battery compartment. Once again I just laced mine around the seat tracks.
Hook up ground cable to amp from the amp (I wired mine to one of the bolts holding down the seat tracks.)
Hook up all other cables to the amp that you have pulled.
Now for the third row speakers I used the Kenwood KFC-1062S. However in hind sight I probably would go with a smaller speaker due to I had to grind away some plastic to make it fit inside the pocket.
Next pull wires from the speaker to the amp. The speaker grilles for the grey titanium interior are as follows 25877145 and 25865668 cost was about $30 after shipping.

I also wanted to note that after adding the amp my door chimes and turn signals were back working properly!




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