By the way you can use quitclaim deed to add him on the deed and then he can take the HELOC. (mortgagefit.com)
As stated above, in most jurisdictions properties sold in this manner are conveyed to the highest bidder via «tax deed» (or similarly - named deed), a form of quitclaim deed. (en.wikipedia.org)
The two of you may even sign quitclaim deeds to each other conveying real estate before or during the divorce process. (info.legalzoom.com)