mine did the same thing. took it to a speedo shop and they check all connections , made a couple solder a coupler connections and all is good now. its the solder connections on the circuit board. check local speedo shops.
looking to upgrade, lots of kits to choose from
currently running short arm 4.5 with acos about 5.5" of lift and 33" tires.
looking for opinons and what makes one better then others.