Despite knowing little about electricity, I proudly have almost completed repairs but now am at a loss. Range is 20 years old but looks great. All 4 gas burners were not lighting on their own. Replaced all 4 spark igniters...no help. Replaced spark module and both spark ignition switches. Now getting great spark and all 4 burners work beautifully. BUT, if any burner is on, all 4 burners now won't stop sparking. I know this means current is continuously going to the spark module, but I replaced the ignition switches and don't think either should be shorted closed now. Is there possibly an issue with the Potentiometer switches behind the 2 left burner knobs that is allowing continuous current? Thank you in advance for your help!