Hello, I have a question about a heatbed that someone gave me for free. my previous heatbed broke down. and now my question is, can I still use it, for example connect the cables? does anyone understand this? thank you in advance!? Hello, I have a question about a heatbed that someone gave me for free. my previous heatbed broke down. and now my question is, can I still use it, for example connect the cables? does anyone understand this? thank you in advance!