Component Tests and General Diagnostics

1. Check I/P Fuse Block Fuse 14 by observing the park lamps.
2. Visually inspect I/P Fuse Block Fuse 25.
3. If only one incandescent lamp does not work, check bulb and wiring to suspect lamp (see schematic).
4. If incandescent lamp brightness does not vary when dimming rheostat is adjusted, replace Lamp Switch.
5. If only some vacuum fluorescent displays work properly, check wiring to suspect component. Replace component if wiring is OK.