Cadillac Repair: shortage, air shocks, air compressor

Question
I have cadillac that every three days I have to charge the battery. I'VE checked all the fuses , but I DON'T know what wrong 1996 Eldero

Answer
The most likely suspects are:

leaking rear air shocks causing the air pump to intermittently run the air compressor trying to keep the air shocks inflated during the night.

An intermittent illuminated entry timer which is causing the interior lights to illuminate at times during the night.