Upgrading the electrical.. What about the old plug hole? Jan 16, 2017 22:35:19 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by vikx on Jan 16, 2017 22:35:19 GMT -8 Under mounts are not recommended. They are definitely prone to failure because of road snot. Think about what might have been on that stretch of highway...And who wants to lay down to use the systems???