I read about this and thought it was a very good idea as it would work perfect for you. Try this link out http://www.popsci.com/diy/article/20...sing-gps-dead#
I asked this question a while ago but no one chimed in.So here we go again. I have 2003 tahoe with onstar. The antenna looks just like the one sold on the mp3 store
Rooftop GPS/Cellular/PCS/WiFi antenna how can I hack mine for use on the pc?Does anyone know the location and coloring of the wire I should look for?
How do I connect to use as gps and Wifi?
Fist of all, the antenna sold here in the store is an antenna, not a receiver. In order to have GPS funcionality on your PC from the Onstart hardware, you'd need to pull signals from the receiver, not the antenna.
Second, there is a post here that gives information on how to hack OnStar for the GPS. It's older and may not reflect newer hardware.
Third, OnStar doesn't have WiFi included, so you won't use the antenna for WiFi at all.
thx for all the info. Does anyone no where the VIU is on a 2003 model? I have not been able to locate it or find any info to its whereabouts.