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Originally Posted by Boar-Ral
You can use the factory navigation system by installing a switch on the VSS (Vehicle Speed Sensor) wire going into the back of the headunit.* You could simply disconnect it, but you will lose some accuracy doing this.* There are a few writeups on the internet showing you how to do this.* Here is one on CAFCNA.* If you search there for VSS, you will find about a half-dozen other writeups on it, with lots of information. |
You can try this, it MIGHT work, and it will not take that long to try it out. But, the newer vehicles with the new style BCMs are controlled differrently. The H3 has the latest BCM model, and does things a lot differently.
So, the question is does the nav use the VSS for accuracy as well as lock out of the features, or on the H3, does it use it only for accuracy?
Again, I have no idea, but it might be worth a try to see if it works.