I downloaded dealer.hpt from this thread http://www.hptuners.com/forum/showth...l=1#post345508 and opened it in VCM editor 2.24.1132. Went to System, General:



No alternator controls there

My friends Cadillac:



I would like to either adjust the voltage output or force it to "charging" mode constantly. When my car is cold it outputs 14.4v right on the button but after I drive around for a while it's 13.2v usually. My alternator is under a LOT of constant load from my stereo amplifiers (and absolutely monster capacitor bank).

If I can't adjust the alt at least I see I can disable P0621 Generator L-Terminal Circuit and P0622 Generator F-Terminal Circuit so I can swap the alt with an aftermarket one and not get a check engine light

Any information you can provide would be greatly appreciated!

-Jamie M.