Date: Thu, 08 Sep 2005 16:21:48 GMT From: "James Sweet" <jamessweetnospamail.com> Subject: Re: Calibrating Turbocharger
"Turubo" <turboduck2nospamcom> wrote in message news:1126187438.079540.86950nospam2000cwa.googlegroups.com... > > LC wrote: > > "Colin Stamp" <col.dustbinnospamp.plus.com> wrote in message > > news:53rmh1h8la05npindh3drmf42bv2710qsonospamcom... > > > On Sun, 04 Sep 2005 21:44:53 GMT, Malcolm William Mason > > > <mwm1(spam)nospamedu> wrote: > > > Another thing to learn is how you drive can be different than how others > > drive, where you accellerate/decellerate will be wildly different from your > > next door neighbor, wife, best friend, etc. It's unfortunate that there > > isn't some sort of NVRAM that will hold this information with a 9v battery > > or something to keep it from being lost every time the battery gets d/c'd. > > Ah, but you probably only need the 9V battery! I've seen cigar lighter > plugs with a 9V battery on a pigtail. You plug it in before removing > your car battery and it keeps the computer memory alive. That's the > theory, at least. Porsche owners use them to preserve the Bosch > adaptive settings in their cars. Might work with the Saab system, too, > if 9v is enough. Simple enough to rig up with some cheap parts and a > 5-min soldering job. > > Turubo > You want a diode in there too, otherwise the 12v car battery will be trying to charge the 9v and that can lead to leakage or rupture.
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