hi I have a carnetix p1900 and have the yellow ign wire tied to the ignition (0V when off, 12V when on) in my 2005 honda accord. However, sometimes the ignition voltage seems to take long to discharge. It would have a constant 12V for minutes (as long as 5 to 15 minutes) after the car has been turned off and the key removed. Does anyone else experience this? How can I resolve this? Thanks!
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