05-02-2014, 12:45 PM
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#8
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Boost Pope
Join Date: Sep 2005
Location: Chicago. (The non-murder part.)
Posts: 26,718
Total Cats: 2,024
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Quote:
Originally Posted by Braineack
that's limited to your radio--pretty much.
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My thought as well. A typical (stock) vehicle has unswitched +12 going to the radio (to store the presets) and the ECU (to store fault codes), and that's it.
A car with a non-stock ECU shouldn't need unswitched +12 for anything other than the radio. Definitely not for accessories like a wideband O2 sensor, shift light, etc.
It makes me wonder if I'm not vastly misinterpreting the OP here.
EDIT: I am obviously ignoring things like power locks, lights, horn, etc., as the OP was specifically referring to things that need to retain settings in memory.
Last edited by Joe Perez; 05-02-2014 at 01:04 PM.
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