TM 9-2320-209-20-3-1 d. Replacement. 1. Lay out generator-to-regulator harness (1) in engine compartment as noted. 2. Using spanner wrench, screw on and tighten generator–to–regulator harness connector (2) to regulator (3). 3. Using spanner wrench, screw on and tighten generator–to–regulator harness connector (4) to generator (5). CAUTION Generator must be polarized before starting engine or generator will be damaged. NOTE Follow-on Maintenance Action Required: 1. Reconnect battery ground cable. Refer to para 7-58. 2. Polarize generator. Refer to para 7-3. END OF TASK 7-229