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BATTERY GOES COMPLETLY DEAD AFTER THE CAR SITS OVER NIGHT.I rebult the alt.and replaced the battery with a new one. What do i check for

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Any loose contacts, short circuits, whatever.

To be more precise on your search, you will need a strong Amperometer. What you need to do is, Unscrew the + cable of your battery, connect it to one connector of the Amp/meter, and the other to the + of the battery. That way all escaping current will be seen through the meter. Switch off the car, and see if you have any current. If you see even the least, start removing fuses, one by one, until you get zero indication. When that happens, ( at least I hope it should, If there is no other damage) Mark the circuit, (fuse box cap should have written the circuit for which the fuse is dedicated), and check that on further.

I understand that this is too much time wasting procedure, but you will not have to take the car apart to check every single wire.
Electrical problems are like that.

Posted on Sep 07, 2010

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Parasitic drain. a drain on the battery when everything is supposed to be off. usually a short in a circuit. disconnect negative battery terminal. unplug hood light. connect cheap test light between unplugged neg cable and neg post on battery. if parasitic drain exists light will be on. unplug fuses one at a time (and plug back in) until light goes off. that is the circuit with the drain. plug back in fuse. unplug components in that circuit until light goes off. that is the faulty component. replace. retest.

Posted on Sep 07, 2010

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You have a short in your car. Try this: with the battery charged and connected, pull each fuse out one at a time and look for a small spark when you put it back in. Note each circuit name that sparks. Do this for both the cabin and engine compartment fuse boxes. Next rule out the circuits that draw current when the key is off, like the clock, the courtesy light, etc. Then you'll have to troubleshoot the rest of the circuits that spark. I may be able to get you wiring diagrams if you get that far. Questions--lemme know.

Posted on Sep 07, 2010

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