You mean just install a heavier gauge power wire on the alternator? Don't do the diode thing or use an alternator booster. Those are a bad idea.
Exactly, Cost about $8 for a 4gauge cable at the parts store. Helps boost the electrical system. Did it to both my 97GT and 98GTP. Cheap easy mod lol.
Goldie 98 Topaz Gold GTP (retired)/ Shadow 06 GTO 6.0 Phantom Black Metallic- traded in. Now cruising a 2005 GMC Sierra 2500 HD 4x4 with the always fun 6.0L