TM 9-2320-209-20-3-1 1. 2. 3, Screw replacement stoplight switch (1), pn 7064588, into air hydraulic cylinder (2) and tighten, using -inch open end wrench. Join connector (3) to stoplight switch (1). Press connector in and turn to right to lock. Join two cable connectors (4) to truck harness connectors (5). NOTE Follow-on Maintenance Action Required: 1. Bleed brake hydraulic system. Refer to Part 2, para 13-15 and 13-16. 2. Set MAIN light switch to STOPLIGHT and check stoplight operation by pressing brake pedal END OF TASK several times. 7-262