TM-9-2320-387-10 HMMWV Operator Manual Download
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TM 9-2320-387-l 0 2-15. OPERATION OF VEHICLE LIGHT SWITCH a. Tt, illuminate instrument panel: (1) Lift unlock lever (2) to UNLOCK and hold in position. (2) Turn selector switch lever (1) to any ON position except B.O. MARKER. (3) Turn auxiliary lever (3) to DIM or PANEL BRT (bright). b. For normal daylight driving, turn selector lever (1) to STOPLIGHT. c. For night driving, turn selector lever (1) to SERVICE DRIVE. The headlight dimmer foot switch is depressed to provide high beam service light operation. The indicator light (4) on the instrument panel should illuminate when high beams are operating. d. In blackout operations: (1) When driving vehicle, turn selector lever (1) to B.O. DRIVE. (2) When vehicle is parked, turn selector lever (1) to B.O. MARKER. e. To illuminate parked vehicle at night (if tactical situation permits): (1) Keep selector lever (1) in SERVICE DRIVE. (21 Turn auxiliary lever (31 to PARK_ f. Move turn signal lever up for right turns, and down for left turns. NOTE l When activated, the warning flashers override operation of the brake lights. l The headlights cannot be turned on when auxiliary lever (3) is in the PARK position. g. For hazard warning lights (blinking lights): (1) Turn selector lever (1) to SERVICE DRIVE or STOPLIGHT. (2) Pull warning hazard tab out and move turn signal lever up to lock lever in place. (3) ‘Ib deactivate, move turn signal lever back to NEUTRAL. h. For horn oneration. turn selector lever (1) to either STOPLIGHT or SERVICE DRIVE. * ’ 2-70 FRONT