Generally take a look at a camshaft for clearance between the lobes and The pinnacle by turning it about by hand, ideally without the buckets equipped. In addition it lists how the evaluate the alternator. E would be the round black connector that goes at the back of the alternator. https://spencerwunex.thechapblog.com/31763750/getting-my-toyota-4age-engine-for-sale-to-work