I have 86' Cadillac fleetwood broaham and my electric climate control display stopped working so no heat air or rear or mirror defrost I noticed it and shut of the car for a minute and it came back?

It sounds like the climate control system in your '86 Cadillac Fleetwood Brougham may have experienced a temporary electrical glitch. Such issues can be caused by a faulty connection, a failing control module, or even a weak battery. If the problem persists, consider checking the wiring and connections for any signs of wear or corrosion, or consult a professional for a thorough diagnosis. Regular maintenance can help prevent similar issues in the future.