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This will only work with the one's equipped with GPS black antenna and navigation system. May work with other models and system as well depending on the package that came with the vehicle. Will do a write up later. Van came with only 1 black wire that connects to the black GPS antenna. The shark fin antenna comes with 3 wires for phone, GPS and another chip which I don't know what it was for. So there was a connector problem but manage to keep OEM wires without cutting or splicing. Basically this mod retained all OEM parts by swapping the GPS chip from the black antenna to the shark fin antenna using the same wire it came with the black antenna. I will post pictures later on how it was done. OEM part # 86760-08011-AO for white.

 

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Photos of the antenna internals.

 

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Pictures of the shark fin antenna internals after the swap. Discarded the middle chip and the chip on the right. Replaced right chip with the chip that came with the black GPS antenna.

 

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To do this, you have to take the wire terminal from the plastic plug in order for you to be able to swap the chip and use the same wire. You have to unscrew the GPS antenna with a 7/8 open wrench. Then squeeze 2 plastic locks that holds antenna to remove antenna from roof. Simply use a tiny Philips screw driver to remove cover(3 screws). Next is to remove wire terminal from plastic connector see Fig 1.1. You will see the only white plastic cover in that plug. Pry it off slowly. Insert tiny screw driver as seen in Fig. 1.1

 

[LetsGoPlaces]

Push wire terminal while inserting tiny screw driver as seen in Fig. 1.1. Once removed, you can take out the chip from the black GPS antenna held by a few screw and transfer it to the shark fin antenna. Cut the wires from the shark fin antenna so you can remove the 2 chips and replace it with the chip from the black GPS antenna. The right chip in the shark fin antenna is held by a plastic tab that easily pops out by pressing it with a screw driver. Then just put it back together and re install.