TM 10-3930-659-20 6-31. SECONDARY STEERING SWITCH REPLACEMENT. This task covers: a. Removal b. Installation INITIAL SETUP: Equipment Conditions: Materials/Parts: •    Battery disconnect switch in OFF position (see Two preformed packings TM 10-3930-659-10). •    Cab skirts removed (see paragraph 14-6). References: Tools/Test Equipment: TM 10-3930-659-10 •    General mechanic's tool kit (Item 44, Appendix F) a. REMOVAL 1. Disconnect engine frame wiring harness (3) from under cab wiring harness connector (4). 2. Remove engine frame wiring harness (3) from secondary steering switch (2). 3. Remove secondary steering switch (2) from inlet manifold (1). 4. Remove two preformed packings (5) from secondary steering switch (2).  Discard preformed packings. TA707813 6-127

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