SPEEDOMETER/ODOMETER AND TACH.

1996 Infiniti G20

Tiny

petemill

August, 19, 2008 AT 8:47 AM

Electrical problem
1996 Infiniti G20 4 cyl Front Wheel Drive Manual 70,400 miles

Trying to determine the source of two problems, and to determine if they're related.

Tachometer: Random readings, often pegged at 9000. Sometimes moves in relation to engine speed, but shows " 0" at idle and only goes as high as 2000 at actual revs of about 3-4000.

Speedometer and Odometer: Occasionally fall to zero; seems to be triggered by hitting a bump, or, more often, when trip odometer is reset. If you manipulate the trip odometer button (e.G, pull on it or put sideways pressure on it, the speedo/odo pop back on.

Questions:
- Would replacing the instrument cluster fix the problem, or is the issue electrical (e.G, faulty speed sensor?)
- When I replace a speedometer, is it possible to keep the original odometer settings -- in other words, can the odometer from the old unit be moved to the new one?

Thanks much.

1 Answer

Tiny

Service Writer

August, 19, 2008 AT 7:48 PM

Let's test...best way to answer the questions.

Pull the speed sensor out from the transmission.


http://www.2carpros.com/forum/automotive_pictures/30961_ssen_1.jpg



Volt meter should read about .5V when turning the gear quickly.

Post your results and if necessary, we can go further.

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