ok i just called another service man (still waiting on one to get in later today) but he said that it should be fine maybe i should cover the back wire with electrical tape and sew with it and see how it goes. Why can't i find someone who knows about these machines? I wanted to replace the wiring and no one seems to know anything about it.

Ok i just spoke with the serviceman that I left the machine with. He is able to replace all the wiring and foot pedal and clean out the machine for $110 so I'm am breathing a sigh of relief now. I didn't want to have to worry about the wires so i'm so glad they are just replacing them :)