here is the web site for this product, and there is a infocomercial at the site as well and shows one how to put the smoke back into a "SMOKED" componet, say it is good for wires that have been smoked as well,
Check out Smoke In A Can, the revolutionary new product from the creators of the Diagnostic 8-Ball, Automotive Video! Everybody knows ‘that guy,’ you know, the one who crosses a wire or otherwise causes smoke to come out of a pricey ECM, PCM or other expensive electronic module. After all, today’s cars are laden with electronics and chances are you may already have been ‘that guy’ at one time or another.
So with Smoke In A Can your worries are over, simply open a can and pour the smoke contents on the effected area. With Smoke in a Can you can put the smoke back in your electronics today!