CHEVROLET TRAILBLAZER BATTERY DRAIN

I Bought New Battery And It Jus Got Drained So I Took To Autozone And Got It Charged And Have It In My Pontiac.I Put It In My Pontiac So I...

I Have A Bad Draw On My Battery. I Was Doing Some Testing Before I Noticed This Problem Because For Some Reason The Fuel Pump Relay Does Not...