Old 03-25-02, 08:39 PM
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Join Date: Feb 2001
Location: United States
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I have a 1986 Dodge Ramcharger Truck(5.2L) and the speedometer hand will not stay at a steady speed. What would cause this?
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Old 03-26-02, 04:57 AM
the_tow_guy's Avatar
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Location: SW Fla USA
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I'm guessing that on that age truck the speedometer is probably still mechanically run by a cable. Try disconnecting the cable behind the speedometer and pulling the inside core cable out. Clean it up and lube with a graphite lubricant and reinstall. May work and very little time and $ to try.
Old 03-26-02, 05:11 AM
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If that doesn't work, time for a new cable. Only a couple of bucks at any dealer for it.
Old 03-26-02, 07:15 AM
Antony W. Serio
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I don't know abot dodges, but on chevys of that vintage the speedo is driven by plastic gears on the tranny/transfer case. It could be that the gears are starting to strip.

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