Battery charger recommendation???

[THEFERMANATOR]

A standard GM 10 SI will charge once it hits roughly 1500RPM's, and will continue to charge until you shut it off. A true 1 wire will begin charging at idle as they have a different regulator in them. Also keep in mind that teh charge sense wire for a GM 10 SI should NOT be wired directly to the ignition wire. A GM 10 SI can backfeed enough power to keep the igntion wire powered with the key off. I hate putting in a new alternator and having problems shutting them off after the install.

[scook]

Thanks Ferm - how do I know I'm getting a true one wire and where would you go for the whole kit, including what's needed to hang it on my Mercruiser 170?