TM  10-3930-643-34 ELECTRICAL  SYSTEM  MAINTENANCE. 5-3. Main Wiring Harness. (Sheet 4 of 15) REMOVAL 9. 10• 11. 12. 13. Remove two screws (13), washers (14) and cover (15) from left side of engine. Using a 1/2”   open end wrench and a flat  tip  screwdriver,  disconnect  wire assemblies (16 and 17) at terminals and wire assembly (18) at connector from alternator. Using a 3/8” open end wrench, disconnect  wire  assembly (19) at terminal  from engine water temperature  sender. Pull back boot (20). Using a flat tip screwdriver, disconnect  wire  assembly (21) at terminal from fan clutch. Go to sheet 5 5-29