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Ozadventurerider
01-27-2004, 08:30 PM
My 86 RT sppedo regularly plays up & finally stops working
about ~yearly. The problem usually is the 3 contact pins between the speedo board assembly and the instrument main (mother) board. Pins on speedo, Sockets on main board.

Fix - Carefully clench (not crush) the sockets, clean pins and re-insert (re assemble). Have also had the solder joints between pin and socket go H/R (crack, go high resistance), so re-solder if this is the case. Finally put a dab of silicone between the boards to reduce vibration.

Hope this assists previous post (Dave?)