TM 10-3930-659-20 6-33. TRANSMISSION OIL TEMPERATURE SENDER REPLACEMENT (Con't). b. INSTALLATION 1. Install new preformed packing (5) and transmission oil temperature sender (4) on transmission (6). 2. Install  transmission  wiring  harness  terminal  lead  (3)  on  transmission  oil  temperature  sender  (4)  with  new lockwasher (2) and nut (1). FOLLOW-ON TASKS: • Install right transmission side guard (see paragraph 14-7). 6-131