Discussion Starter · #1 ·
I bought a rebuilt date coded 32amp alt for my Chevelle.It shows a - drain on my gauge until I rev it to about 2000 rpm then it shows a charge, and is fine at idle and driving. I have to go through this ritual every time I drive the car. I thought it might be the voltage regulator so I bought a new one. I put my Delco Remi cover on it to look original...heh nothin but a pc board inside now a days. Anyway I still had to rev to get it to charge. Its not a real problem for me but I'd hate for my wife to be driving it and kill the battery. Any ideas what might be going on, and possibly a tweak I could make? Wrong pulley size maybe?