caddy sts

[clean up 75]

i have an 95 caddy sts with the northstar in it. the problem i'm having is when i ket the car sit for 2 or 3 days and when i go back to start it the batt is dead. something is killing the battery and it's not the alternator. can somebody please help out with some infor. it has 144,500 miles on it

 

[Frogman]

something is killing the battery

There you go. I think you just found the symptom. Now, you need to find the problem.

Time to do Voltage drop tests. How? Google.