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Old 06-07-2010, 10:26 AM   #527 (permalink)
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Originally Posted by Magister View Post
Make sure you have the 12V from the car on the OBD2 plug and that it goes to the Arduino?
I have check the pin of the OBD2 and I have all pin like you guys.

If I put a wire direct in the pin of the power and the ground (Pin 1 and 9):

I have 0.7 Volts... I do not get it why it's not the full 9V

It doesn't even open the LCD cause I guess the power is not enough.
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