Removing old Adhesive

Hi I recently have gotten my replacement heater for my bed but the old adhesive is still stuck to the old bed I was wondering what I can use to remove the adhesive so I can reattach my new bed heater.
-Thanks

 

I found glue remover in a craft shop. It removes glue left by labels, and other types of glue film. It can catch fire, so be sure you use it in the open with plenty of ventilation. No smoking near it. Looked for it, but cannot find it so I cannot give you the brand name. But most craft stores should have it.

 

GooGone works wonders and smells amazing.

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