TM 9-2320-361-34 15-27. SAFETY SWITCH BOX REPLACEMENT (Contd) 5. Install two wires (16), wires (17), and wires (21) on safety switch box (4) by tightening four screws (15). 6. Install three wires (18) on start/stop switch (20) with three screws (19). 7. Install cover (23) on start/stop switch (20) with two screws (24). NOTE Perform step 8 on M109A3 vehicles 8. Install two wires (25) and wires (26) on safety switch box (4) by tightening four screws (15). 9. Close cover (22) on safety switch box (4). FOLLOW-ON TASKS: ● ● Connect battery ground cable (TM 9-2320-361-20). Place safety switch in ON position (TM 9-2320-361-10). 15-107