TM10-3930-660-20 8-19.    ELECTRIC JOYSTICK AND HARNESS ASSEMBLY -  TEST/REPLACE (Cont’d) TESTING Do not operate the engine performing this test. The following test can be while performed without removing the joystick from the vehicle. 1. 2. 3. 4. 5. 6. REMOVE FOUR CAPSCREWS (12) AND PLATE  (13). TURN THE IGNITION SWITCH TO THE “ON” POSITION BUT DO NOT START THE ENGINE. PERFORM OPERATION TEST OF ELECTRIC JOYSTICK. a. b. c* d. IF OR IN Move (14) this (15) Move (14) this (16) Move (14) the electric joystick handle fully forward and hold it in position. Indicator light should be on. the electric joystick handle fully rearward and hold it in position. Indicator light should be on. the electric joystick handle fully to the right and hold it in this position. Indicator light (17) should be on. Move the electric joystick handle (14) fully to the left and hold it in this position. Indicator light (18) should be on. INDICATOR LIGHTS (15), (16), (17), (18) FAIL TO ILLUMINATE AS DESCRIBED THE ABOVE STEPS. REPLACE THE ELECTRIC — . JOYSTICK AS DESCRIBED IN THE “REMOVAL” SECTION OF THIS PARAGRAPH. AFTER TESTING IS COMPLETED, TURN THE IGNITION SWITCH TO THE OFF POSITION. INSTALL FOUR CAPSCREWS (12) AND PLATE (13) . 8-44