i have a 05 600 sdi gade with elec start .yesterday we stopped for gas and when i started it the check engine/coolant and battery lights were on .the speedo and tach did not work .the digital read out said scale .it ran fine right up until i restarted it .everything else works fine .runs great .ran it the rest of the day warmers/lights everything works and runs great .has anyone seen this .i have put it out on dootalk also .thanks for any help .