TM 10-3930-664-24 2-59.  INSTRUMENT PANEL GAUGE, SWITCH, LIGHT REPLACEMENT This task covers: Removal, Cleaning, Inspection, and Installation INITIAL SETUP: Tools and Test Equipment: Equipment Condition: General Mechanics Tool Kit (1, App.  E) Batteries disconnected (para.  2-78) Instrument panel replacement (para.  2-58), brace removed A.  REMOVAL WARNING Electrical  shock  hazard.    Disconnect battery ground cable or power source prior to working on electrical components.  Failure to heed warning could cause shock, injury or death.  If electrical    shock    occurs,    administer first aid and seek medical assistance. 1. REMOVE  LEFT  AND  RIGHT  DASH  COVERS (1)  BY  REMOVING  SIX  SCREWS  (2)  AND  SIX WASHERS (3). CAUTION When     disconnecting     power wires from  I  terminal  on  gauges,  tag  wires to ensure correct installation. Connecting  power  wire  to  S  terminal will destroy gauge. 2. TAG AND DISCONNECT ELECTRICAL WIRES FROM SWITCHES, GAUGES, AND LIGHTS AS REQUIRED. 3. REMOVE MASTER SWITCH (4),  GAUGES  (6), AND ETHER SWITCH (10). a. Remove master switch (4) from instrument panel by removing screws (5). b. Remove  gauges  (6)  and  gauge  brackets by  removing  nuts  (7).    Remove  light  kits (8) from bottom of gauges. c. Remove    rubber    switch    cover    (9)    from ether switch (10).  Remove ether switch by removing nut (11). 2-179