Likutei Sichos – Vol 02 p 471 ff Class 23. Point four- HaMaor Hu BiHisgalus. (A great chidush of the Alter Rebbe). Hashem Himself is not subject to the question of Tzimtzum at all. He’s revealed; known even to small children.  

Likutei Sichos – Vol 02 p 471 ff Class 22. Point three- Tzimtzum Shelo Kipshuto. Achdus on the higher level the creation IS Hashem (the Creator).  

Likutei Sichos – Vol 02 p 471 ff Class 21. Point two- Hashgacha Pratis (Divine providence) according to the Baal Shem Tov is on all things and universal. The earlier opinions aren’t necessarily disagreeing with the Baal Shem Tov they’re discussing a different idea of Hashgacha.