On this video I fix my brothers car where he was having charging issues his alternator decided to take a dump on him. I show a little step by step on replacing the alternator and what I came across.
to purchase the alternator for your 96 ls400 on amazon click here:
https://amzn.to/2Hwl8w9
To purchase the battery bank jumper click here:
https://amzn.to/2Tjfjn4