[DeTomaso] Battery Power Loss
MikeLDrew at aol.com
MikeLDrew at aol.com
Mon Jan 3 17:11:58 EST 2011
In a message dated 1/3/11 14 04 9, seanmundy at hotmail.com writes:
> Suggestions on how/where do I begin figuring out the exact cause?
> Electric stuff scares me.
>
Frightens me no end, too.
Bill Taylor will be able to explain this much better than I do. You can
set your multimeter to register the power draw on the battery. With a
helper manning the multimeter, get inside the car and close the door (to
extinguish the dome light). With the key turned off, there should be zero current
flowing, but probably, there will be, if you have an electrical 'leak'.
Now, one at a time, remove and replace each fuse. Eventually, if you're
lucky, you'll pull a fuse and the leak will drop to zero. You've now isolated
the fuse that is contributing to the problem.
Then, it's a matter of isolating the various circuits on that fuse to find
the culprit.
You may find that the pull-the-fuse trick doesn't work; that would then
indicate that the culprit is an unfused thing. I vaguely recall hearing that
the alternator can fritz out and cause such a draw?
Okay, we've rapidly reached the end of my knowledge on this topic!
Somebody else, please weigh in with an actual, informed step-by-step procedure!
Mike
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