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Originally posted by Fwabs
Did u even read what i wrote, i said exactly the same thing as what ur saying...
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Although it is difficult through the bad spelling and poor grammer, I did read your post. This is what concerned me.
We are not in agreement. You believe the e-brake is responsible for controlling the Nav System. You also mention that a wire somewhere near the rear brakes can be cut to bypass this "safety" feature.
On after-market Nav Systems, it is not the e-brake. It is the e-brake
LIGHT. The light comes on when the circuit is completed by engaging the e-brake. In a professional installation, the Nav system is also tied into this circuit, and thus when the circuit is closed you can control the Nav System. It has NOTHING to do with wires near your brakes. This can be defeated by connecting the Nav sensor to a different, permanently closed circuit.
As for optional factory installed Nav Systems (G35 included), the sensor is not simply control by the e-brake light. Instead it is tied into the speed sensor.
Perhaps you meant to suggest that someone cut the speedomter wires.
peace