Quote:
Originally Posted by Micheal
For the most part my truck sits for a week or two at a time without being driven. I work to far away and must drive a gas friendlier car during the week. If you unhook it do you have to put it back to stock each time and then reprogram it when driving again.
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No! Repeat - NO! Once a program is loaded into the PCM, the Gryphon/Edge simply becomes a PCM monitor. You can leave it connected, remove it, whatever, and the tune stays in the PCM.
But - BEFORE you hook it back up, you MUST have the ignition ON (engine off) so that the Gryphon/Edge can read data from the PCM to initialize itself. (When you leave it hooked up, there is a small "keep alive" current draw on the battery, about 0.05 amps, that maintains this information). You can think of this as an "instant on" feature.
If you leave your truck parked that long though, I'd recommend getting a "Battery Minder". (I bought mine at Camping World). It is more than a "trickle charger" - it has circuitry that desulfates your battery while it keeps it at a full charge state, without overcharging it.
- Jack