Instrument indicating the speed of a vehicle in km/h or mph

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131 views

How does the speedometer on my dash actually work?

So pretty much everyone knows what a speedometer is, the thing on your dash that tells you how fast you are going, whether or not you're speeding, and what speed you have the cruise control set to ...
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3answers
10k views

Intermittently fluctuating/non-functioning speedometer in Volvo 940. Possible causes?

I have a 1992 Volvo 940. A few months ago, the speedometer started malfunctioning intermittently. Sometimes it would read correctly, other times the needle would wobble around, and sometimes it would ...