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.
Hi I posted in the touring section about this and not sure if I should have done it here. I have a 93 Ultra E Glide and when I turn the rear speakers on, even just a little I get bad motor noise, any ideas? Please let me know. Thanks Scott