That might have just been residual oil burning off the wire. If it keeps working and the smoke stops, that would confirm that's the case. As long as the wire doesn't burn in two.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.