1982 Jeep J10 Engine: 4.2L L6;Manual Steering; with California Emissions System; without 70 Amp Alternator; without Air Conditioning; Position: Main Drive;. 1983 Jeep J10 Engine: 4.2L L6;Power Steering; with 56 / 66 Amp Alternator; with California Emissions System; Position: Main Drive;.