1992 Buick Roadmaster Speedometer problem

1992 BUICK ROADMASTER
123,000 MILES • V8 • 2WD • AUTOMATIC
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KMANDER
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My roadmaster speedometer has begun working intermittently. At speeds below 40 mph, sometimes it registers no speed. At highway speeds it works, but seems to be recording speeds lower (~5 mph below) actual speed, and it jumps over a 20 mph range. I cannot keep the cruise conrol engaged. This is an analog speedometer. I have not changed the transmission. Any ideas waht the problem is?
Dec 15, 2007 at 11:17 AM
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ARTMANG
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yes it can only be the seed sensor on the trans or the cluster.look for them in a junk yard if u wanna save cash.my dad has a 95 and the speedo didnt work so he just got the whole cluster and walla.
Dec 30, 2007 at 10:51 PM
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ARTMANG
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spell check...speed sensor in trans
Dec 30, 2007 at 10:52 PM
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