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8D–446 WIRING SYSTEM 1-4. Speedometer Needle Fluctuations (May Be Wide Fluctuation) • DOES THE VEHICLE SPEED SENSOR OUTPUT YES THE OSCILLOSCOPE WAVEFORM IS DEFORMED REPLACE THE METER ASSEMBLY REPLACE THE VEHICLE SPEED SENSOR OR REPAIR NO 1-5. Speedometer Needle Jumps Erratically • DOES THE VEHICLE SPEED SENSOR OUTPUT YES AN ABNORMAL PERIODIC WAVEFORM IS OUTPUT BY REPLACE THE METER ASSEMBLY REPLACE THE VEHICLE SPEED SENSOR, OR REPAIR NO |