9. VOLTMETER LIGHT OR INSTRUMENT CLUSTER GAGE LIGHTS DO NOT OPERATE.

TM-5-3805-262-20 Loader Scoop Type DED 4x4 Articulated Frame Steer 2-1/2 Cubic Yard (J.I. Case Model MW24C) Manual
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TM 5-3805-262-20 3-11. LIGHT SYSTEMS TROUBLESHOOTING (CONT) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 8. SERVICE STOP LIGHTS DO NOT OPERATE (Cont). Step 5. Place ignition key switch in off position. Disconnect wiring harness black wire terminal from tail light black wire terminal by grasping both terminals with your fingers and firm- ly pulling them apart. Connect multimeter between wiring harness terminal and chassis frame. Multimeter should indicate continuity. a. If multimeter does not indicate continuity, check wiring connec- tion between black wire terminal and chassis frame. Repair or replace wiring or terminal as necessary (page 5-174). b . I f m u l t i m e t e r i n d i c a t e s c o n t i n u i t y , r e p l a c e t a i l l i g h t a s s e m b ly (page 5-105). 9. VOLTMETER LIGHT OR S t e p 1 . P l a ce P l a ce Place f u l l y INSTRUMENT CLUSTER GAGE LIGHTS DO NOT OPERATE. ignition key switch in on position. vehicle lights switch in SER DRIVE and PANEL DIM positions. dimmer compartment lights control at right instrument panel in clockwise position. Voltmeter light and instrument cluster gage lights should be on. a . b. c . d . I f v o l t m e t e r l i g h t i s o f f, and at least one instrument cluster gage light is on, replace voltmeter lamp (page 5-34). If new voltmeter lamp does not operate, replace voltmeter light socket assembly (page 5-34). If voltmeter light is on, and all instrument cluster gage lights a r e o f f , check gray wire connection from wiring harness to in- strument cluster connector pin 8. Repair or replace wiring or connector as necessary (page 5-168). If wiring and connector are okay, remove instrument cluster (page 5-34) and replace circuit board (page 5-39). If voltmeter light is on, and at least one instrument cluster gage light is on, replace instrument cluster gage lamp (page 5-34). If new gage lamp does not operate, remove instrument cluster (page 5-34) and replace circuit board (page 5-39). If voltmeter light and all instrument cluster gage lights are off, go to step 2 below. 3-90

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