Quote:
Originally Posted by rudar
So I had the battery out of my 1991 tracker for some repairs and whatnot. I noticed that when I re-connect the ground cable the *first* time, it sparks a bit. If I remove and poke the ground to the terminal several times, it does not spark *each* time. Is that normal? I guess it reasonable that there'd be some capacitance to the entire circuit. But then I lent my car to my roommate, who just phoned to say it isn't cranking, but he didn't leave the lights on or anything obvious like that to go draining the battery... So not sure if the two observations are in any way connected...
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Something is drawing current.
The radio clock (and station memories), draw some (very slight) current.
You can check how bad it is with an ampmeter.
Connect one wire to the battery post, the other to the terminal clamp (with it removed from the battery).
You'll get a reading. Anything beyond 0.5 amp (perhaps even 0.25 amp), will mean a dead battery overnight.
Try removing fuses to see when the current draw stops. When you find the culprit fuse, you now know which circuit to check.
