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Speedometer works off and on! V70-XC70 1998

posted by  KlausC on  Thu Aug 8 10:21 CST 2013
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

I am going to start backwards on your problem list.

The key not returning to position II is not a function of the key, but a worn electrical portion of the ignition switch. There is no lubricating, as the spring and contact points get worn out. Only the electrical portion of the switch should have been replaced.

You 'cleared' the errors, but did you check on the codes first? A generic code reader only does the basic engine and emmission functions, not the cruise control or speedo. The speedometer signal goes through the ABS module before it gets to the instrument cluster or the main computer.

An ABS fault is probably your first problem, but the ABS and TRKS lights should have come on.

The cruise control has its own vacuum system, but requires a speedo signal.





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