TM 9-2320-361-20 4-28. HEADLIGHT DIMMER SWITCH REPLACEMENT This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS REFERENCES (TM) All TM 9-2320-361-10 MATERIALS/PARTS TM 9-2320-361-20P Two lockwashers EQUIPMENT CONDITION PERSONNEL REQUIRED Parking brake set (TM 9-2320-361-10). Battery ground cable disconnected (para. 4-48). TWO a. Removal 1. Remove two screws (1) and lockwashers (9). Discard lockwashers (9). 2. Push dimmer switch plunger (4) through floorboard (2) and slide dimmer switch (8) away from protective cover (3). NOTE Tag wires for installation. 3. Disconnect wires (5), (6), and (7) from dimmer switch (8). 1. Connect three wires (5), (6), and (7) to dimmer switch (8). NOTE Assistant will help with steps 2 and 3. 2. Position dimmer switch plunger (4) through floorboard (2) and install with two new lockwashers (9) and screws (1). Do not tighten screws (1). 3. Position protective cover (3) over dimmer switch (8). Slide slotted side of cover (3) on dimmer FOLLOW-ON TASKS: Connect battery ground cable (para. 4-48). Check operation of headlight dimmer switch (TM 9-2320-361-10). 4-44