saturday my speedo wasnt working, after driving at 45 mph it stared to bounce 0-20-0 mph, then 0-30-0 mph, then presto it was o.k. well it did this untill lastnight, woulnt work at all after driving some time, and the odometer looked like this -------- . after turning the ignition off and on it startedto work again. NOW today no speedo or odometer, and check eng light! After turning it off then on the odometer works but still no speedo , and now check eng light. 2000 gt dynotuned 3.73 gears dyno adj , and mm sfc welded last friday. any info will help.