Ignition/Tuner/ECM/Fuel InjectionNeed advice on ignition issues? Questions about a tuner? Have questions about a EFI calibration or Fuel Injection? Tips on Engine Diagnostics, how to get codes, and what they mean. Find your answers here.
speedometer has quit. needle jumps from 0 to 50 to 70 but never elsewhere. The odometer is blank. there is power to the console, and the turn signals cancel as they should.