TM 10-3930-659-20 6-37. REVERSE WARNING ALARM SWITCH REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Equipment Conditions: Materials/Parts: •    Battery disconnect switch in OFF position (see • One preformed packing TM 10-3930-659-10). •    Right side cab skirt removed (see paragraph 14-6).   References •    Right transmission side guard removed (see para- graph 14-7). • TM 10-3930-659-10 Tools/Test Equipment: •    General mechanic's tool kit (Item 44, Appendix F) a. REMOVAL 1. Disconnect transmission wiring harness (4) from reverse warning alarm switch (3). 2. Remove  reverse  warning  alarm  switch  (3)  and  preformed  packing  (2)  from  transmission  control  valve  (1). Discard preformed packing. TA707822 6-138