HARNESS AS-FRONT 3122567 - Caterpillar

Removal Procedure
Start By:
Remove the alternator belt. Refer to Disassembly and Assembly, "Alternator Belt - Remove and Install" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Turn the battery disconnect switch to the OFF position.
Place identification marks on all of the wiring harness connections.
Illustration 1 g01334584
Typical example
Disconnect the wiring harness assembly from alternator (3).
Remove bolt (6) from alternator (3).
Remove nut (1) and washer (2).
Remove bolt (5) from alternator (3). Support the weight of the alternator as the bolt is removed.
Remove the alternator from alternator bracket (4).
If necessary, follow Step 8.a through Step 8 in order to remove pulley (7) from alternator (3).
Hold the shaft of alternator (3) with an allen wrench. Use a cranked ring spanner to loosen nut (8).
Remove nut (8) and pulley (7) from alternator (3).