Hello, I have a 1990 Lexus LS400 that is in dyer need of a new alternator, the stock 100A couldn't keep up with my system apparently (Memphis D2 12" Mojo, Memphis PR1.1000, Clarion CZ500, Duralast Gold 880CCA, BIG3) and is on its way out the door. I'm limping the car along right now (took out...