Hello,
Can anyone please tell me if there are any good usable 5V sources I can tap into in the 190E? I would like to install a wired dashcam, and possibly add a hidden USB port.

My car will actually be converted to diesel, so that should open up some more potential sources, since I am still keeping the gasoline ECU for RPM signal and such. I believe the TPS is powered by a 5V source, but I am not certain if it is constant or variable depending on the throttle signal.

The ECU pin for the TPS voltage supply is number 18, it seems.
http://www.justanswer.com/uploads/JHoop/2008-04-14_120419_fuel.pdf



If you gentlemen have any other recommendations, I would be glad to hear them.
Thank you.

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